{
  "version": 0,
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          "comment": "powershot s100 contributed by Stig Inge Lea Bjørnsen",
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          "comment": "powershot s110 contributed by andyrtr",
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        {
          "comment": "powershot g7 x mark ii contributed by mariano",
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        },
        {
          "comment": "powershot g9 x contributed by alfi",
          "model": "PowerShot G9 X",
          "profiles": [
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        },
        {
          "comment": "powershot g9 x mark ii contributed by scott",
          "model": "PowerShot G9 X Mark II",
          "profiles": [
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            {"name": "PowerShot G9 X Mark II iso 640", "iso": 640, "a": [9.6671551100872e-05, 3.96352222456336e-05, 7.93755275670186e-05], "b": [1.62924571728801e-07, 1.40889800420568e-07, 1.50158750987678e-07]},
            {"name": "PowerShot G9 X Mark II iso 800", "iso": 800, "a": [0.000120616237323072, 4.94620785401435e-05, 9.88450233592947e-05], "b": [2.0450473663092e-07, 1.84061743282537e-07, 1.98651596407904e-07]},
            {"name": "PowerShot G9 X Mark II iso 1000", "iso": 1000, "a": [0.000151169521007579, 6.21216699367365e-05, 0.000123051634355248], "b": [2.54585667220629e-07, 2.40940556960767e-07, 2.79418323260009e-07]},
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            {"name": "PowerShot G9 X Mark II iso 4000", "iso": 4000, "a": [0.000616964524836728, 0.0002503312138798, 0.000501116203764484], "b": [1.06348628624114e-06, 1.58636968771255e-06, 1.27005954972456e-06]},
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            {"name": "PowerShot G9 X Mark II iso 8000", "iso": 8000, "a": [0.00126901591622429, 0.000509365548116375, 0.00102069759791162], "b": [2.12820481019161e-06, 3.33230340520141e-06, 2.40265390955016e-06]},
            {"name": "PowerShot G9 X Mark II iso 10000", "iso": 10000, "a": [0.00153048509011216, 0.000627899081167697, 0.00125812942884527], "b": [3.43894729162645e-06, 5.24916226103441e-06, 3.86141745443271e-06]},
            {"name": "PowerShot G9 X Mark II iso 12800", "iso": 12800, "a": [0.00189924063873588, 0.000809283131924983, 0.00163942004832212], "b": [5.2814435825318e-06, 7.36290919207811e-06, 5.16990579236034e-06]}
          ]
        },
        {
          "comment": "eos 1200d contributed by aitatxoborja",
          "model": "EOS 1200D",
          "profiles": [
            {"name": "EOS 1200D iso 100", "iso": 100, "a": [7.80885253178961e-06, 4.98485795590158e-06, 1.27703371579956e-05], "b": [5.03040032324735e-08, 2.56964563316261e-08, 3.63526834583101e-08]},
            {"name": "EOS 1200D iso 200", "iso": 200, "a": [1.1483220312544e-05, 7.20310246876789e-06, 1.84302990401487e-05], "b": [4.22232448425283e-08, 1.72249887418388e-08, 3.18961657256807e-08]},
            {"name": "EOS 1200D iso 400", "iso": 400, "a": [2.10646049720983e-05, 1.32292707228839e-05, 3.38699351327935e-05], "b": [7.79413590872483e-08, 3.00814140372152e-08, 5.74727810406414e-08]},
            {"name": "EOS 1200D iso 800", "iso": 800, "a": [3.87383408989475e-05, 2.41445056295092e-05, 6.22064904289343e-05], "b": [1.58690996028811e-07, 7.19069486146201e-08, 1.13236128205023e-07]},
            {"name": "EOS 1200D iso 1600", "iso": 1600, "a": [7.27513504043927e-05, 4.50361839225396e-05, 0.000116452204315578], "b": [3.60768992912819e-07, 1.88372660543457e-07, 2.5727562068087e-07]},
            {"name": "EOS 1200D iso 3200", "iso": 3200, "a": [0.000146934535558817, 9.12444982222753e-05, 0.000220764523553223], "b": [5.2632656011316e-07, 3.72779551770478e-07, 5.38626259577083e-07]},
            {"name": "EOS 1200D iso 6400", "iso": 6400, "a": [0.000284892429727816, 0.000176467245165625, 0.000445131388406683], "b": [1.91684294465379e-06, 1.45526643543818e-06, 1.74547235475323e-06]}
          ]
        },
        {
          "comment": "canon eos 1000d contributed by stefano fornari",
          "model": "EOS 1000D",
          "profiles": [
            {"name": "Canon EOS 1000D iso 100", "iso": 100, "a": [4.71791230780098e-06, 2.5515140530151e-06, 5.5858147939005e-06], "b": [3.86212416322e-08, 2.94326864701975e-08, 3.88396346374234e-08]},
            {"name": "Canon EOS 1000D iso 200", "iso": 200, "a": [7.42242236324998e-06, 3.96286152884993e-06, 8.70015351739806e-06], "b": [4.32811265603039e-08, 3.08989328806359e-08, 4.50757394157793e-08]},
            {"name": "Canon EOS 1000D iso 400", "iso": 400, "a": [1.4117394149149e-05, 7.5719882306795e-06, 1.6640183865513e-05], "b": [7.19060515072525e-08, 5.14660549350632e-08, 7.95100688120219e-08]},
            {"name": "Canon EOS 1000D iso 800", "iso": 800, "a": [2.81560714796828e-05, 1.48649134393785e-05, 3.35015803996356e-05], "b": [1.37383712843412e-07, 9.7682024352611e-08, 1.41092404495695e-07]},
            {"name": "Canon EOS 1000D iso 1600", "iso": 1600, "a": [5.77366446659682e-05, 3.01911227563509e-05, 6.72930761927429e-05], "b": [3.29180275796318e-07, 2.29872185793448e-07, 3.29173463595823e-07]}
          ]
        },
        {
          "comment": "Canon EOS 1100D, contributed by levente novák\nEOS 1100D == REBEL T3. Note: The camera name for T3 are guessed based on the T3i strings.",
          "model": "EOS 1100D",
          "profiles": [
            {"name": "Canon EOS 1100D iso 100", "iso": 100, "a": [6.18589472171319e-06, 2.66429865728526e-06, 4.09058109030574e-06], "b": [-3.78123404507743e-08, -5.23556786817321e-08, -1.50271401265386e-08]},
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          "profiles": [
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        {
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        {
          "comment": "canon eos 400d, contributed by Ave",
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            {"name": "Canon EOS 5D Mark III iso 12800", "iso": 12800, "a": [0.000233538156093256, 0.000125257064541362, 2.60741986045709e-05], "b": [4.05258017424011e-06, 4.74983038443139e-06, 4.67537021435587e-05]},
            {"name": "Canon EOS 5D Mark III iso 25600", "iso": 25600, "a": [0.000372736481428556, 0.000215851179747733, 0.000267553232593844], "b": [1.42757563915053e-05, 1.51485673828923e-05, 5.29822764873008e-05]},
            {"name": "Canon EOS 5D Mark III iso 51200", "iso": 51200, "a": [0.000610725651264109, 0.000372501752903588, 0.000618122910576193], "b": [3.71967792268875e-05, 3.57776341970749e-05, 6.82475091042931e-05]},
            {"name": "Canon EOS 5D Mark III iso 102400", "iso": 102400, "a": [0.000859965585710808, 0.000505543774583139, 0.00053546110862992], "b": [7.43995315666412e-05, 7.42346112346366e-05, 0.000166621464100798]}
          ]
        },
        {
          "comment": "eos 5d mark iv contributed by dejanp",
          "model": "EOS 5D Mark IV",
          "profiles": [
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            {"name": "EOS 5D Mark IV iso 500", "iso": 500, "a": [9.71392735161171e-06, 8.55951072414072e-06, 2.26130493466789e-05], "b": [1.59411967071847e-08, 1.39588151259792e-08, 1.41835521680244e-08]},
            {"name": "EOS 5D Mark IV iso 640", "iso": 640, "a": [1.64513547151607e-05, 1.37788846489474e-05, 4.01552678857527e-05], "b": [2.8628368549471e-08, 2.43412034578063e-08, 2.16837218350225e-08]},
            {"name": "EOS 5D Mark IV iso 800", "iso": 800, "a": [1.48630231465922e-05, 1.26190059530607e-05, 3.28843757715754e-05], "b": [2.21702595770969e-08, 1.78812899404473e-08, 1.7179942861664e-08]},
            {"name": "EOS 5D Mark IV iso 1000", "iso": 1000, "a": [1.86439824087932e-05, 1.54867040212418e-05, 3.9644437312662e-05], "b": [2.70623853091858e-08, 2.34753764921932e-08, 2.27369120891068e-08]},
            {"name": "EOS 5D Mark IV iso 1250", "iso": 1250, "a": [3.1607046158744e-05, 2.55884079448242e-05, 7.24867008837947e-05], "b": [6.41746752365189e-08, 5.59071718221088e-08, 6.08758360327108e-08]},
            {"name": "EOS 5D Mark IV iso 1600", "iso": 1600, "a": [2.8859644048296e-05, 2.33898559194797e-05, 6.02890258497039e-05], "b": [4.73631939254967e-08, 4.06043014390305e-08, 3.97279263721185e-08]},
            {"name": "EOS 5D Mark IV iso 2000", "iso": 2000, "a": [3.56204658569049e-05, 2.88154163976547e-05, 7.23800011390716e-05], "b": [7.057986713032e-08, 5.71682667970944e-08, 4.2239782442586e-08]},
            {"name": "EOS 5D Mark IV iso 2500", "iso": 2500, "a": [6.40928064082681e-05, 4.93562678334833e-05, 0.000135653267371303], "b": [1.1751410359564e-07, 9.66380752697365e-08, 9.50650603531852e-08]},
            {"name": "EOS 5D Mark IV iso 3200", "iso": 3200, "a": [5.6258324761741e-05, 4.42054564731263e-05, 0.000111180431129186], "b": [1.04307889225063e-07, 7.77857517758973e-08, 6.76271498976322e-08]},
            {"name": "EOS 5D Mark IV iso 4000", "iso": 4000, "a": [7.0784536008337e-05, 5.5093231527198e-05, 0.000136174439452451], "b": [1.41733513282824e-07, 1.15048710360978e-07, 1.11891395115477e-07]},
            {"name": "EOS 5D Mark IV iso 5000", "iso": 5000, "a": [0.000127808408152935, 9.670664685473e-05, 0.000256366676813428], "b": [2.4815336847662e-07, 1.99187496497997e-07, 1.93163275449414e-07]},
            {"name": "EOS 5D Mark IV iso 6400", "iso": 6400, "a": [0.000114054302827375, 8.48488448038208e-05, 0.000204969628599036], "b": [1.70862376995831e-07, 1.52060858286811e-07, 1.656125310502e-07]},
            {"name": "EOS 5D Mark IV iso 8000", "iso": 8000, "a": [0.00014297018091432, 0.000105526139512048, 0.000252613595036983], "b": [2.56819541318954e-07, 2.00944519517068e-07, 2.01410284946403e-07]},
            {"name": "EOS 5D Mark IV iso 10000", "iso": 10000, "a": [0.000269956165464972, 0.000195988507233174, 0.000477585202055216], "b": [6.85819533264494e-07, 5.63102742260007e-07, 4.96161736214128e-07]},
            {"name": "EOS 5D Mark IV iso 12800", "iso": 12800, "a": [0.000234090489491989, 0.000165899581566069, 0.000377644781331074], "b": [5.74343262857013e-07, 4.34228734729943e-07, 3.81059268119245e-07]},
            {"name": "EOS 5D Mark IV iso 16000", "iso": 16000, "a": [0.000295630255558997, 0.000199847950724831, 0.000446061089550879], "b": [7.18271486179477e-07, 4.9536387306488e-07, 4.47027260290307e-07]},
            {"name": "EOS 5D Mark IV iso 20000", "iso": 20000, "a": [0.000611213869350897, 0.00040379151044039, 0.000864707291665759], "b": [1.58435832938453e-06, 1.5477826247349e-06, 1.39766724458347e-06]},
            {"name": "EOS 5D Mark IV iso 25600", "iso": 25600, "a": [0.000499260931078558, 0.000326484300055694, 0.000675737110029943], "b": [1.51684705827332e-06, 1.44367590308918e-06, 1.35027128022465e-06]},
            {"name": "EOS 5D Mark IV iso 32000", "iso": 32000, "a": [0.000678829359741654, 0.000424090768657267, 0.000878390446903898], "b": [1.85382648160142e-06, 1.46688683967225e-06, 1.2826929341518e-06]},
            {"name": "EOS 5D Mark IV iso 51200", "iso": 51200, "a": [0.00100587202193984, 0.0007416256614407, 0.00143462701167625], "b": [5.41680651225954e-06, 4.82736870789271e-06, 3.71716013580103e-06]},
            {"name": "EOS 5D Mark IV iso 102400", "iso": 102400, "a": [0.00154218610629939, 0.00129533066749094, 0.00255773460481087], "b": [1.64389467195389e-05, 1.46737306409163e-05, 7.13572794809303e-06]}
          ]
        },
        {
          "comment": "eos 5ds r contributed by Jack 'FF', should also apply to 5ds",
          "model": "EOS 5DS R",
          "profiles": [
            {"name": "Canon EOS 5DS iso 100", "iso": 100, "a": [4.11815392079092e-06, 3.46503849117778e-06, 5.02661517291753e-06], "b": [2.12289814171936e-08, 1.65008574001287e-08, 2.11413511739703e-08]},
            {"name": "Canon EOS 5DS iso 200", "iso": 200, "a": [7.37092441643394e-06, 6.03402113810628e-06, 1.02379751159391e-05], "b": [2.17724126768704e-08, 1.77007709881493e-08, 2.16780005370838e-08]},
            {"name": "Canon EOS 5DS iso 400", "iso": 400, "a": [1.34853885966277e-05, 1.07785810512403e-05, 1.65347808809915e-05], "b": [3.33328365673261e-08, 2.58968538553752e-08, 3.47119515815336e-08]},
            {"name": "Canon EOS 5DS iso 800", "iso": 800, "a": [2.56712595620091e-05, 1.97922689832358e-05, 3.03394497720616e-05], "b": [5.41675997509208e-08, 4.45663042154251e-08, 5.85388938152329e-08]},
            {"name": "Canon EOS 5DS iso 1600", "iso": 1600, "a": [4.84228270525326e-05, 3.60080574613549e-05, 4.69431808846379e-05], "b": [1.4407678102083e-07, 1.14971116626832e-07, 1.55730732349072e-07]},
            {"name": "Canon EOS 5DS iso 3200", "iso": 3200, "a": [9.70216728944392e-05, 6.9224794514711e-05, 0.000100301540293112], "b": [2.36515947495961e-07, 1.76337736102171e-07, 2.63465444194838e-07]},
            {"name": "Canon EOS 5DS iso 6400", "iso": 6400, "a": [0.000182870387839005, 0.000129171546154818, 0.00019351051065462], "b": [4.89216995732489e-07, 3.52248199525925e-07, 5.94428337284862e-07]}
          ]
        },
        {
          "comment": "eos 5ds copied from 5ds r",
          "model": "EOS 5DS",
          "profiles": [
            {"name": "Canon EOS 5DS R iso 100", "iso": 100, "a": [4.11815392079092e-06, 3.46503849117778e-06, 5.02661517291753e-06], "b": [2.12289814171936e-08, 1.65008574001287e-08, 2.11413511739703e-08]},
            {"name": "Canon EOS 5DS R iso 200", "iso": 200, "a": [7.37092441643394e-06, 6.03402113810628e-06, 1.02379751159391e-05], "b": [2.17724126768704e-08, 1.77007709881493e-08, 2.16780005370838e-08]},
            {"name": "Canon EOS 5DS R iso 400", "iso": 400, "a": [1.34853885966277e-05, 1.07785810512403e-05, 1.65347808809915e-05], "b": [3.33328365673261e-08, 2.58968538553752e-08, 3.47119515815336e-08]},
            {"name": "Canon EOS 5DS R iso 800", "iso": 800, "a": [2.56712595620091e-05, 1.97922689832358e-05, 3.03394497720616e-05], "b": [5.41675997509208e-08, 4.45663042154251e-08, 5.85388938152329e-08]},
            {"name": "Canon EOS 5DS R iso 1600", "iso": 1600, "a": [4.84228270525326e-05, 3.60080574613549e-05, 4.69431808846379e-05], "b": [1.4407678102083e-07, 1.14971116626832e-07, 1.55730732349072e-07]},
            {"name": "Canon EOS 5DS R iso 3200", "iso": 3200, "a": [9.70216728944392e-05, 6.9224794514711e-05, 0.000100301540293112], "b": [2.36515947495961e-07, 1.76337736102171e-07, 2.63465444194838e-07]},
            {"name": "Canon EOS 5DS R iso 6400", "iso": 6400, "a": [0.000182870387839005, 0.000129171546154818, 0.00019351051065462], "b": [4.89216995732489e-07, 3.52248199525925e-07, 5.94428337284862e-07]}
          ]
        },
        {
          "comment": "eos r3 contributed by stevengorrell",
          "model": "EOS R3",
          "profiles": [
            {"name": "EOS R3 iso 100", "iso": 100, "a": [1.74561547015798e-06, 7.12545378625633e-07, 1.72925590653013e-06], "b": [-9.09083789069642e-12, 1.18821674127519e-10, 2.56374350948925e-11]},
            {"name": "EOS R3 iso 125", "iso": 125, "a": [2.18461651958859e-06, 8.93593446240243e-07, 2.16581094732762e-06], "b": [5.38425467330654e-10, 5.16564410447843e-10, 5.72541840189913e-10]},
            {"name": "EOS R3 iso 160", "iso": 160, "a": [2.60087075798975e-06, 1.09814769222745e-06, 2.70561382934222e-06], "b": [1.59506485469552e-09, 1.06065766850882e-09, 1.58350926754274e-09]},
            {"name": "EOS R3 iso 200", "iso": 200, "a": [3.22784138132289e-06, 1.31914166532477e-06, 3.148955493871e-06], "b": [1.42864203127857e-09, 1.0347631741119e-09, 1.66232509353563e-09]},
            {"name": "EOS R3 iso 250", "iso": 250, "a": [4.16811097526579e-06, 1.70907973868464e-06, 4.07584300541727e-06], "b": [3.68527063748115e-09, 2.73691744030215e-09, 4.01133926275179e-09]},
            {"name": "EOS R3 iso 320", "iso": 320, "a": [5.6704783761585e-06, 2.32427292265829e-06, 5.54329636041597e-06], "b": [8.50460211464808e-09, 6.17210604142597e-09, 9.21476225142137e-09]},
            {"name": "EOS R3 iso 400", "iso": 400, "a": [6.19214281203602e-06, 2.52753496650341e-06, 6.04453811809549e-06], "b": [4.23604618593328e-09, 3.34658839232917e-09, 4.84006020109936e-09]},
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            {"name": "EOS R3 iso 640", "iso": 640, "a": [9.34739648394059e-06, 3.82436724742604e-06, 9.0948291610949e-06], "b": [1.13759183592164e-08, 8.48556129790101e-09, 1.26033225563939e-08]},
            {"name": "EOS R3 iso 800", "iso": 800, "a": [1.17776936799582e-05, 4.81454514296668e-06, 1.14823404242718e-05], "b": [1.5259792811743e-08, 1.16023509236593e-08, 1.6708951260761e-08]},
            {"name": "EOS R3 iso 1000", "iso": 1000, "a": [1.44342497446798e-05, 5.89524051898259e-06, 1.40207387012133e-05], "b": [2.25752886895417e-08, 1.76896940714724e-08, 2.50412562463215e-08]},
            {"name": "EOS R3 iso 1250", "iso": 1250, "a": [1.69547308424142e-05, 6.86063988100635e-06, 1.64821866641654e-05], "b": [1.23567093993945e-08, 9.89256076402791e-09, 1.41819518041516e-08]},
            {"name": "EOS R3 iso 1600", "iso": 1600, "a": [2.13860703138486e-05, 8.60845664842327e-06, 2.07224804988761e-05], "b": [1.78006272252388e-08, 1.4515923342373e-08, 2.04886893102137e-08]},
            {"name": "EOS R3 iso 2000", "iso": 2000, "a": [2.64022298117637e-05, 1.06003010201439e-05, 2.54642030419231e-05], "b": [2.115081910345e-08, 1.76906488787142e-08, 2.41298268441578e-08]},
            {"name": "EOS R3 iso 2500", "iso": 2500, "a": [3.30825954401968e-05, 1.33372369425635e-05, 3.20203675356086e-05], "b": [3.30695542959583e-08, 2.78990851245004e-08, 3.7470981908995e-08]},
            {"name": "EOS R3 iso 3200", "iso": 3200, "a": [4.25381892787386e-05, 1.70984826178673e-05, 4.11486896773923e-05], "b": [4.14013832663788e-08, 3.60569235444334e-08, 4.70826924839808e-08]},
            {"name": "EOS R3 iso 4000", "iso": 4000, "a": [5.28817533642595e-05, 2.12830697807785e-05, 5.122688861943e-05], "b": [5.57926507192929e-08, 4.83880905792005e-08, 6.25417828087629e-08]},
            {"name": "EOS R3 iso 5000", "iso": 5000, "a": [6.56466252222968e-05, 2.64087547846054e-05, 6.35756852758795e-05], "b": [7.44386317885092e-08, 6.30767572235548e-08, 8.28382069791056e-08]},
            {"name": "EOS R3 iso 6400", "iso": 6400, "a": [8.34964874363133e-05, 3.35808284810023e-05, 8.0720109201203e-05], "b": [1.00781059339911e-07, 8.29847313111609e-08, 1.11432376772157e-07]},
            {"name": "EOS R3 iso 8000", "iso": 8000, "a": [0.000104787902144368, 4.1992869789537e-05, 0.000101016364007913], "b": [1.34151680550596e-07, 1.0891999324072e-07, 1.47196788369203e-07]},
            {"name": "EOS R3 iso 10000", "iso": 10000, "a": [0.000130469330915108, 5.24803056923994e-05, 0.00012606905731103], "b": [1.816731922706e-07, 1.43256585726348e-07, 1.98195291873401e-07]},
            {"name": "EOS R3 iso 12800", "iso": 12800, "a": [0.000161602474655839, 6.53772028814746e-05, 0.000157045451919169], "b": [2.135550665918e-07, 1.65293636391392e-07, 2.2223416449002e-07]},
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            {"name": "EOS R3 iso 32000", "iso": 32000, "a": [0.000403010498715166, 0.000162101089390605, 0.000390851851110319], "b": [7.36150326824561e-07, 5.99939656578418e-07, 7.54433847335665e-07]},
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            {"name": "EOS R3 iso 51200", "iso": 51200, "a": [0.000636020303473234, 0.000255066481253404, 0.00061323614888884], "b": [1.61356073932545e-06, 1.41476412241416e-06, 1.75354688896226e-06]},
            {"name": "EOS R3 iso 64000", "iso": 64000, "a": [0.000792535840050968, 0.000317256047651644, 0.000760458194380193], "b": [2.40015590448522e-06, 2.11386764487262e-06, 2.68147962007293e-06]},
            {"name": "EOS R3 iso 80000", "iso": 80000, "a": [0.000975673163219446, 0.000392752558041292, 0.000938786285344333], "b": [4.09828639599581e-06, 3.20209353784897e-06, 4.33987327539168e-06]},
            {"name": "EOS R3 iso 102400", "iso": 102400, "a": [0.00121061423638939, 0.000483518831318456, 0.00115828567915061], "b": [6.4759398375718e-06, 5.16160737344667e-06, 6.94860860846081e-06]}
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        {
          "comment": "canon eos 7d mark II contributed by Mukund Sivaraman",
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          "comment": "canon eos 100d, also goes by marketing name of rebel sl1. contributed by Rich Renomeron",
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        {
          "comment": "canon eos r50 contributed by laemplein",
          "model": "EOS R50",
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        {
          "comment": "powershot g9 contributed by Piter Dias",
          "model": "PowerShot G9",
          "profiles": [
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        {
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          "profiles": [
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        {
          "comment": "powershot g1 x mark iii contributed by po",
          "model": "PowerShot G1 X Mark III",
          "profiles": [
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          ]
        },
        {
          "comment": "powershot g10 contributed by alexander wagner\nduplicate measurements kept for statistical validation (maybe we should average them at some point)",
          "model": "PowerShot G10",
          "profiles": [
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        {
          "comment": "powershot s120 contributed by Marek Szuba",
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          "model": "X100T",
          "profiles": [
            {"name": "X100T iso 200", "iso": 200, "a": [1.42104894051167e-05, 5.14993580459437e-06, 1.02754164527409e-05], "b": [8.95775368462702e-09, 5.75516517203673e-09, 9.55025298481869e-09]},
            {"name": "X100T iso 250", "iso": 250, "a": [1.61694305095309e-05, 5.75283194643454e-06, 1.16727675414652e-05], "b": [1.23850699615317e-08, 8.08982331415591e-09, 1.34207536646236e-08]},
            {"name": "X100T iso 320", "iso": 320, "a": [1.95521195947406e-05, 6.95663733767418e-06, 1.41969866831426e-05], "b": [1.68788029211529e-08, 1.1264899369223e-08, 1.78675811199628e-08]},
            {"name": "X100T iso 400", "iso": 400, "a": [2.43943674899235e-05, 8.65951020680453e-06, 1.76715948684952e-05], "b": [2.17065783208271e-08, 1.45958864954406e-08, 2.31105124644302e-08]},
            {"name": "X100T iso 500", "iso": 500, "a": [3.00911977695808e-05, 1.06877430612416e-05, 2.18281923288743e-05], "b": [2.81388521660289e-08, 1.94236939138495e-08, 2.96366998243926e-08]},
            {"name": "X100T iso 640", "iso": 640, "a": [3.87123988651168e-05, 1.38926650325104e-05, 2.61007801193065e-05], "b": [5.9280859461377e-08, 1.65629365701816e-08, 4.1976436776427e-08]},
            {"name": "X100T iso 800", "iso": 800, "a": [4.53318423717586e-05, 1.62689788237248e-05, 3.05510800238765e-05], "b": [7.3078914615607e-08, 2.39051697837648e-08, 5.23778953388085e-08]},
            {"name": "X100T iso 1000", "iso": 1000, "a": [5.70099549557356e-05, 2.05912913441767e-05, 3.82779169471831e-05], "b": [9.79095387812446e-08, 3.68828032357362e-08, 7.542665735223e-08]},
            {"name": "X100T iso 1250", "iso": 1250, "a": [7.43065518049967e-05, 2.70816626903298e-05, 5.01860231499309e-05], "b": [1.14458442715727e-07, 3.57408625874479e-08, 8.11045227471575e-08]},
            {"name": "X100T iso 1600", "iso": 1600, "a": [8.819189582515445e-05, 3.1631560477445904e-05, 5.94334360277765e-05], "b": [1.674870906290695e-07, 7.649222165449635e-08, 1.4112813692962698e-07]},
            {"name": "X100T iso 2000", "iso": 2000, "a": [0.00010421715937694, 3.6945016934419e-05, 7.1086371756495e-05], "b": [2.2341351415983e-07, 1.13417882432606e-07, 1.88117561849865e-07]},
            {"name": "X100T iso 2500", "iso": 2500, "a": [0.00013108357412016, 4.69137140370566e-05, 8.81399031355613e-05], "b": [2.5703890351259e-07, 1.30436595883075e-07, 2.20844561957094e-07]},
            {"name": "X100T iso 3200", "iso": 3200, "a": [0.0001291937229155835, 4.607888768089825e-05, 8.72921132754699e-05], "b": [2.45962729009841e-07, 1.42262459226602e-07, 2.2271465553342102e-07]},
            {"name": "X100T iso 4000", "iso": 4000, "a": [0.000124723832298109, 4.38595024657058e-05, 9.12208053399433e-05], "b": [1.78504020588315e-07, 1.37660752397007e-07, 1.88111094098724e-07]},
            {"name": "X100T iso 5000", "iso": 5000, "a": [0.000124986845209115, 4.37010904895783e-05, 9.16247494413428e-05], "b": [1.76411750774797e-07, 1.36319413715772e-07, 1.86926272703825e-07]},
            {"name": "X100T iso 6400", "iso": 6400, "a": [0.00012579517040419198, 4.422836018589326e-05, 9.183407428326638e-05], "b": [1.588587495193e-07, 1.2486482232114292e-07, 1.690787692086013e-07]}
          ]
        },
        {
          "comment": "fujifilm x-e1 by Björn Sonnenschein",
          "model": "X-E1",
          "profiles": [
            {"name": "X-E1 iso 200", "iso": 200, "a": [4.76171762180528e-06, 2.12092324224137e-06, 4.76160665723892e-06], "b": [5.40990318213573e-09, 4.08608883064575e-09, 6.18183294179416e-09]},
            {"name": "X-E1 iso 250", "iso": 250, "a": [5.90705342954543e-06, 2.66275317052673e-06, 6.04125574766704e-06], "b": [8.22262742106465e-09, 6.37367355149134e-09, 9.32486563481119e-09]},
            {"name": "X-E1 iso 320", "iso": 320, "a": [7.41418555501564e-06, 3.34221351006746e-06, 7.44607236236933e-06], "b": [1.25646579389559e-08, 8.12917556140782e-09, 1.27341068302111e-08]},
            {"name": "X-E1 iso 400", "iso": 400, "a": [9.21499012350213e-06, 4.08394189324468e-06, 9.12322217545348e-06], "b": [1.19030696798901e-08, 8.74334269735084e-09, 1.44730557653944e-08]},
            {"name": "X-E1 iso 500", "iso": 500, "a": [1.14851280103748e-05, 5.1175943391161e-06, 1.1405436265681e-05], "b": [1.75087654264983e-08, 1.36686531214984e-08, 2.0588989881979e-08]},
            {"name": "X-E1 iso 640", "iso": 640, "a": [1.41796413666667e-05, 6.47083987204826e-06, 1.4573011673364e-05], "b": [2.92812122765069e-08, 2.08056434345353e-08, 3.09629443805529e-08]},
            {"name": "X-E1 iso 800", "iso": 800, "a": [1.82361396488202e-05, 7.99454321126004e-06, 1.76872767877739e-05], "b": [2.61396754087921e-08, 2.42805382854033e-08, 3.73526308007682e-08]},
            {"name": "X-E1 iso 1000", "iso": 1000, "a": [2.25078329282198e-05, 9.99888043330302e-06, 2.24969464498593e-05], "b": [4.25390441151532e-08, 3.54766655558341e-08, 5.38566883436653e-08]},
            {"name": "X-E1 iso 1250", "iso": 1250, "a": [2.7817270989424e-05, 1.24373345587126e-05, 2.77762767462075e-05], "b": [6.55360164289195e-08, 5.05604779729719e-08, 7.3366652661135e-08]},
            {"name": "X-E1 iso 1600", "iso": 1600, "a": [3.59223043959108e-05, 1.56295414649757e-05, 3.45448255975785e-05], "b": [6.19270196410919e-08, 6.20220498043808e-08, 8.37924573672315e-08]},
            {"name": "X-E1 iso 2000", "iso": 2000, "a": [4.43753998998523e-05, 1.94537048980174e-05, 4.28873579282206e-05], "b": [9.96775098238608e-08, 9.22083880462372e-08, 1.25988498450513e-07]},
            {"name": "X-E1 iso 2500", "iso": 2500, "a": [5.21795197796895e-05, 2.320606657495e-05, 5.15913346837967e-05], "b": [1.41038044330749e-07, 1.20253295922528e-07, 1.67104444879002e-07]},
            {"name": "X-E1 iso 3200", "iso": 3200, "a": [5.2442698613505e-05, 2.33380002678286e-05, 5.16740746870202e-05], "b": [1.3243049747272e-07, 1.21495306837264e-07, 1.60492483440965e-07]},
            {"name": "X-E1 iso 4000", "iso": 4000, "a": [5.20416212885971e-05, 2.32567216350132e-05, 5.16931780327867e-05], "b": [1.36685012907475e-07, 1.2440240817055e-07, 1.59408069824019e-07]},
            {"name": "X-E1 iso 5000", "iso": 5000, "a": [5.20996480178905e-05, 2.32440202101226e-05, 5.19008668570956e-05], "b": [1.33071609424531e-07, 1.22721674481451e-07, 1.55939974364301e-07]},
            {"name": "X-E1 iso 6400", "iso": 6400, "a": [5.90532622877267e-05, 2.32383963464837e-05, 4.7507113460988e-05], "b": [1.42853609549406e-07, 1.15818283156143e-07, 1.78873606296749e-07]}
          ]
        },
        {
          "comment": "fujifilm x-e2 by ulrich (measured on the x-t1, it's generally believed that the x-e2 has the same sensor)",
          "model": "X-E2",
          "profiles": [
            {"name": "Fuji X-E2 iso 200", "iso": 200, "a": [1.31252992122382e-05, 4.61898555600132e-06, 8.89313720419275e-06], "b": [2.97890009041094e-08, 7.87670143708163e-09, 8.81502606490751e-09]},
            {"name": "Fuji X-E2 iso 250", "iso": 250, "a": [1.56008586696921e-05, 5.5459310933268e-06, 1.06900973738884e-05], "b": [2.78859458456187e-08, 6.76223783192493e-09, 2.44164987976321e-08]},
            {"name": "Fuji X-E2 iso 320", "iso": 320, "a": [2.05808431754735e-05, 7.0341176876662e-06, 1.31073011524834e-05], "b": [3.53239895598638e-08, 8.84720010556284e-09, 3.07049476960542e-08]},
            {"name": "Fuji X-E2 iso 400", "iso": 400, "a": [2.58971620949888e-05, 8.7241248955326e-06, 1.61772237050522e-05], "b": [3.72542829496922e-08, 1.67295058605305e-08, 4.77493155703809e-08]},
            {"name": "Fuji X-E2 iso 500", "iso": 500, "a": [3.21982826058474e-05, 1.09183600335607e-05, 2.02813595156363e-05], "b": [5.40284467382025e-08, 1.60372211168724e-08, 5.71858183577399e-08]},
            {"name": "Fuji X-E2 iso 640", "iso": 640, "a": [4.02836932944995e-05, 1.3639301157256e-05, 2.55271109756073e-05], "b": [5.76148090285642e-08, 2.38725870241332e-08, 8.44852158476115e-08]},
            {"name": "Fuji X-E2 iso 800", "iso": 800, "a": [5.1723185395914e-05, 1.71298172275452e-05, 3.10783077098765e-05], "b": [9.43379168547906e-08, 3.39071724000471e-08, 9.69451012360005e-08]},
            {"name": "Fuji X-E2 iso 1000", "iso": 1000, "a": [6.0964375366835e-05, 2.11630553576901e-05, 4.07841809818507e-05], "b": [1.1476055925777e-07, 5.57021940446684e-08, 1.3640060755648e-07]},
            {"name": "Fuji X-E2 iso 1250", "iso": 1250, "a": [7.66254281759912e-05, 2.65379732855013e-05, 5.1474624902721e-05], "b": [2.06888235167867e-07, 9.20548010392009e-08, 1.32109178406552e-07]},
            {"name": "Fuji X-E2 iso 1600", "iso": 1600, "a": [0.00010087094937336, 3.28187865061588e-05, 6.14091154162569e-05], "b": [1.08263263667744e-07, 1.35888709159059e-07, 2.581034647269e-07]},
            {"name": "Fuji X-E2 iso 2000", "iso": 2000, "a": [0.000122538866794544, 4.20897186612317e-05, 8.05625532190959e-05], "b": [2.86595854345368e-07, 1.59396731639574e-07, 2.75401902644433e-07]},
            {"name": "Fuji X-E2 iso 2500", "iso": 2500, "a": [0.000123825394623677, 4.18877894504511e-05, 7.94264917019512e-05], "b": [2.98533684517939e-07, 1.54382865244716e-07, 2.3455895454894e-07]},
            {"name": "Fuji X-E2 iso 3200", "iso": 3200, "a": [0.000133291746437379, 4.20425073041664e-05, 7.72132129416139e-05], "b": [1.13881438148889e-07, 1.50292616683618e-07, 2.81296856357845e-07]},
            {"name": "Fuji X-E2 iso 4000", "iso": 4000, "a": [0.000131116009998063, 4.16787258944441e-05, 7.77936909642969e-05], "b": [-3.05271971049083e-08, 1.29551966212407e-07, 3.12908465971114e-07]},
            {"name": "Fuji X-E2 iso 5000", "iso": 5000, "a": [0.000134043829792419, 4.2357402979867e-05, 7.70059152480817e-05], "b": [1.36264418240426e-07, 1.47293613952519e-07, 2.38894850008169e-07]},
            {"name": "Fuji X-E2 iso 6400", "iso": 6400, "a": [0.000127923776194175, 4.152080368723e-05, 7.78754619809228e-05], "b": [1.70205481352036e-07, 1.57222947637482e-07, 2.54804994234622e-07]}
          ]
        },
        {
          "comment": "x-e3 contributed by viktor",
          "model": "X-E3",
          "profiles": [
            {"name": "X-E3 iso 200", "iso": 200, "a": [9.613146750469e-06, 3.37987644059264e-06, 6.64066837280919e-06], "b": [7.22061755299772e-09, 5.36223558460836e-09, 1.64449950322848e-08]},
            {"name": "X-E3 iso 250", "iso": 250, "a": [1.20877603336374e-05, 4.25619543665293e-06, 8.37118362936855e-06], "b": [8.54620936613652e-09, 6.89603157602802e-09, 2.34585905493965e-08]},
            {"name": "X-E3 iso 320", "iso": 320, "a": [1.51605403995369e-05, 5.34704446849067e-06, 1.04971925618172e-05], "b": [1.1951062254821e-08, 1.01144265281021e-08, 3.15725641062757e-08]},
            {"name": "X-E3 iso 400", "iso": 400, "a": [1.89448344605495e-05, 6.66749871099242e-06, 1.31784043849275e-05], "b": [1.75229599655446e-08, 1.42388967607258e-08, 3.7818769561928e-08]},
            {"name": "X-E3 iso 500", "iso": 500, "a": [2.38484320900826e-05, 8.39317092642502e-06, 1.66769774505116e-05], "b": [2.18840068608174e-08, 1.9559404178556e-08, 5.04031825611433e-08]},
            {"name": "X-E3 iso 640", "iso": 640, "a": [2.97092639923501e-05, 1.04063945529567e-05, 2.07937509998369e-05], "b": [3.14488787648821e-08, 2.94308599877678e-08, 7.90192631996076e-08]},
            {"name": "X-E3 iso 800", "iso": 800, "a": [3.73363116622554e-05, 1.30146372260351e-05, 2.59708811280119e-05], "b": [2.19716939028739e-08, 1.83174852600546e-08, 4.52276882912683e-08]},
            {"name": "X-E3 iso 1000", "iso": 1000, "a": [4.64651757867248e-05, 1.62465547831918e-05, 3.25635291347808e-05], "b": [2.95502060670615e-08, 2.85162398070002e-08, 8.48062151054854e-08]},
            {"name": "X-E3 iso 1250", "iso": 1250, "a": [5.8510011073194e-05, 2.04151545497516e-05, 4.10816181445457e-05], "b": [3.89484186239157e-08, 3.63950717564421e-08, 9.09369695269145e-08]},
            {"name": "X-E3 iso 1600", "iso": 1600, "a": [7.33881568367259e-05, 2.56267948044617e-05, 5.13941589368845e-05], "b": [5.19784692452997e-08, 4.61860970009313e-08, 1.0553869544306e-07]},
            {"name": "X-E3 iso 2000", "iso": 2000, "a": [9.18198302528132e-05, 3.21397926492519e-05, 6.43640421138166e-05], "b": [6.83328933101205e-08, 6.74682053276867e-08, 1.66724051772894e-07]},
            {"name": "X-E3 iso 2500", "iso": 2500, "a": [0.000115579120356361, 4.04031966610754e-05, 8.12888799851194e-05], "b": [9.19842570711277e-08, 9.20112890490453e-08, 2.19764651458859e-07]},
            {"name": "X-E3 iso 3200", "iso": 3200, "a": [0.000144938254348041, 5.05306574626473e-05, 0.000101511913530123], "b": [1.1751073281777e-07, 1.17532923469402e-07, 2.34354664291527e-07]},
            {"name": "X-E3 iso 4000", "iso": 4000, "a": [0.000182143746619777, 6.35906054822069e-05, 0.000128652089373097], "b": [1.50305362354182e-07, 1.56250843400689e-07, 2.86545731758541e-07]},
            {"name": "X-E3 iso 5000", "iso": 5000, "a": [0.000228978337464614, 8.01599962905371e-05, 0.00016174324905017], "b": [1.97785796742929e-07, 2.22500779170751e-07, 3.76565196871925e-07]},
            {"name": "X-E3 iso 6400", "iso": 6400, "a": [0.000286120443818812, 0.000100508811251284, 0.000202747302086939], "b": [2.42067447181875e-07, 2.81253028560859e-07, 4.01893134792591e-07]},
            {"name": "X-E3 iso 8000", "iso": 8000, "a": [0.000359450476118262, 0.000126333627575031, 0.000255714442115182], "b": [3.26265301277207e-07, 4.23109090227573e-07, 5.54864292783299e-07]},
            {"name": "X-E3 iso 10000", "iso": 10000, "a": [0.000452614289262272, 0.000159656540926393, 0.000322019379363617], "b": [4.07446775784691e-07, 6.03070762942785e-07, 6.8548532476299e-07]},
            {"name": "X-E3 iso 12800", "iso": 12800, "a": [0.000569032527202617, 0.000200600367734442, 0.000404094210147193], "b": [4.61669544515315e-07, 7.84827039928128e-07, 8.03913384540379e-07]},
            {"name": "X-E3 iso 25600", "iso": 25600, "a": [0.00089094317474957, 0.000316820677237288, 0.000640659437277016], "b": [7.18079489847115e-07, 1.64141548288897e-06, 1.3675919819005e-06]},
            {"name": "X-E3 iso 51200", "iso": 51200, "a": [0.000889857274267349, 0.000314523278691586, 0.000629085388167748], "b": [7.38398819505261e-07, 1.86239769918018e-06, 1.62018924525323e-06]}
          ]
        },
        {
          "comment": "x-e4 contributed by jacotux",
          "model": "X-E4",
          "profiles": [
            {"name": "X-E4 iso 80", "iso": 80, "a": [4.44205394176017e-06, 2.15174420455954e-06, 4.45269231312063e-06], "b": [-6.14886511253384e-08, -5.00459423902783e-08, -4.27270734951563e-08]},
            {"name": "X-E4 iso 100", "iso": 100, "a": [5.51739595149974e-06, 2.63577468121668e-06, 5.53645363685902e-06], "b": [-6.89449756100738e-08, -4.9273102890341e-08, -4.69855716730431e-08]},
            {"name": "X-E4 iso 125", "iso": 125, "a": [6.80749345104427e-06, 3.23713228254724e-06, 6.83522450503886e-06], "b": [-6.64270261929181e-08, -4.43628622787791e-08, -4.17641630702936e-08]},
            {"name": "X-E4 iso 160", "iso": 160, "a": [4.19148930483467e-06, 2.01291394130565e-06, 4.16107380163259e-06], "b": [-2.04625921107781e-08, -2.11972912574344e-08, -1.02609991542807e-08]},
            {"name": "X-E4 iso 200", "iso": 200, "a": [5.18669331441196e-06, 2.48181904376121e-06, 5.18700368805652e-06], "b": [-1.62551585531307e-08, -1.63355401276731e-08, -6.10252675057855e-09]},
            {"name": "X-E4 iso 250", "iso": 250, "a": [6.49358747066056e-06, 3.0804081041273e-06, 6.49066562478509e-06], "b": [-1.55591371652623e-08, -1.09135793240579e-08, -1.96287222508203e-09]},
            {"name": "X-E4 iso 320", "iso": 320, "a": [8.14532498935745e-06, 3.8512743366284e-06, 8.14202800938668e-06], "b": [-1.50408981915592e-08, -7.00984180817021e-09, 3.55927597944482e-09]},
            {"name": "X-E4 iso 400", "iso": 400, "a": [1.03667548523507e-05, 4.85630181480929e-06, 1.03297933934392e-05], "b": [-2.10950921798715e-08, -4.813728770629e-09, 4.40413570708856e-09]},
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          "comment": "Nikon D200, contributed by Dennis Gnad / some reds (@ISO 125,160,250,320,500,800) slightly underexposed, but fits look good",
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          "model": "D3100",
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          "comment": "nikon d3200 by Aurelien Deharbe",
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            {"name": "D4 iso 400", "iso": 400, "a": [6.67426484218362e-06, 3.02685670292958e-06, 5.5422620490221e-06], "b": [4.71008580868181e-09, 5.14888930600697e-09, 5.15557278927449e-09]},
            {"name": "D4 iso 500", "iso": 500, "a": [8.27540923202698e-06, 3.72255341436706e-06, 6.81909798256385e-06], "b": [5.58493805995255e-09, 6.05776253797852e-09, 6.53565674931557e-09]},
            {"name": "D4 iso 640", "iso": 640, "a": [1.0307335623299e-05, 4.65742432756878e-06, 8.45890883135156e-06], "b": [7.01992108536937e-09, 8.06900636705444e-09, 8.63820292296182e-09]},
            {"name": "D4 iso 800", "iso": 800, "a": [1.27954952648662e-05, 5.76154699736238e-06, 1.04672094168106e-05], "b": [9.18935134965886e-09, 1.01769025097682e-08, 1.02089810773639e-08]},
            {"name": "D4 iso 1000", "iso": 1000, "a": [1.59274552911085e-05, 7.15300693292015e-06, 1.30942771741036e-05], "b": [1.2751448207321e-08, 1.41475764643293e-08, 1.41912894495211e-08]},
            {"name": "D4 iso 1250", "iso": 1250, "a": [1.97424324498872e-05, 8.87478357366041e-06, 1.61754894850861e-05], "b": [1.64684436429031e-08, 1.71978773433211e-08, 1.72683588939333e-08]},
            {"name": "D4 iso 1600", "iso": 1600, "a": [2.50213524756878e-05, 1.12689272034489e-05, 2.05409731004572e-05], "b": [1.81468104882456e-08, 1.99767942152881e-08, 2.06030189908121e-08]},
            {"name": "D4 iso 2000", "iso": 2000, "a": [3.13246624888705e-05, 1.41122216782314e-05, 2.5723048922499e-05], "b": [2.425593334302e-08, 2.41693056070082e-08, 2.61143387439097e-08]},
            {"name": "D4 iso 2500", "iso": 2500, "a": [3.94001763628763e-05, 1.77459387526195e-05, 3.22479317972033e-05], "b": [3.12715725651997e-08, 3.22111878910464e-08, 3.45394292351873e-08]},
            {"name": "D4 iso 3200", "iso": 3200, "a": [4.93820144295577e-05, 2.22668295835377e-05, 4.0293891526084e-05], "b": [4.53362667136342e-08, 4.39533387781617e-08, 4.66936988757931e-08]},
            {"name": "D4 iso 4000", "iso": 4000, "a": [6.23944729414413e-05, 2.80596025291496e-05, 5.06618428010003e-05], "b": [5.91717216150858e-08, 5.90377877015213e-08, 6.42127570482577e-08]},
            {"name": "D4 iso 5000", "iso": 5000, "a": [7.82598781799286e-05, 3.54027758186814e-05, 6.41253359155262e-05], "b": [8.3516945969774e-08, 7.66410770183845e-08, 8.68597717148637e-08]},
            {"name": "D4 iso 6400", "iso": 6400, "a": [9.81115673942041e-05, 4.46898856972084e-05, 8.16157675311129e-05], "b": [9.76247971046234e-08, 8.38063212594222e-08, 1.03014228608783e-07]},
            {"name": "D4 iso 8000", "iso": 8000, "a": [0.000124988813945686, 5.71133411703447e-05, 0.000104055672770762], "b": [1.39262243629541e-07, 1.18339220477377e-07, 1.43794129065239e-07]},
            {"name": "D4 iso 10000", "iso": 10000, "a": [0.000158176923191382, 7.26427618058977e-05, 0.000132239867214518], "b": [1.74749918568176e-07, 1.41161725449192e-07, 1.74809218185004e-07]},
            {"name": "D4 iso 12800", "iso": 12800, "a": [0.000198800854773309, 9.18203755609848e-05, 0.000165715360720998], "b": [2.42164536234139e-07, 1.94453457955889e-07, 2.43987176293542e-07]},
            {"name": "D4 iso 16127", "iso": 16127, "a": [0.000229929481330934, 0.000108231282589394, 0.000190459095398677], "b": [3.17066542448071e-07, 2.84561684637186e-07, 3.41207077699583e-07]},
            {"name": "D4 iso 20319", "iso": 20319, "a": [0.000290836388255176, 0.000138315480233965, 0.000242173349109392], "b": [3.65660047418834e-07, 3.22666754610686e-07, 3.95990143410162e-07]},
            {"name": "D4 iso 25600", "iso": 25600, "a": [0.00036515168218837, 0.000179535080204934, 0.000309308450966781], "b": [4.95967623486875e-07, 4.76492069197255e-07, 5.62237931616784e-07]},
            {"name": "D4 iso 51200", "iso": 51200, "a": [0.000741333011475116, 0.000407752406780811, 0.000658908037723442], "b": [1.17904914907491e-06, 1.46165397636892e-06, 1.6159736650178e-06]},
            {"name": "D4 iso 102400", "iso": 102400, "a": [0.00131620912400943, 0.000913868665762131, 0.00147937073954699], "b": [7.110680390626e-06, 8.35810948042134e-06, 8.14817061534881e-06]},
            {"name": "D4 iso 204800", "iso": 204800, "a": [0.00271823646431166, 0.00183806687027878, 0.00278537269653015], "b": [1.76919435989395e-05, 2.50866630687038e-05, 2.59479317569559e-05]}
          ]
        },
        {
          "comment": "d4s contributed by macgyver",
          "model": "D4S",
          "profiles": [
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            {"name": "D4S iso 63", "iso": 63, "a": [1.05991138733226e-06, 4.27622384897297e-07, 8.07549721676682e-07], "b": [2.17139575348265e-09, 1.35254426846053e-09, 2.29748942689717e-09]},
            {"name": "D4S iso 79", "iso": 79, "a": [1.039267747121e-06, 4.24634421001347e-07, 8.07352245081078e-07], "b": [2.09668641056548e-09, 1.27932395051464e-09, 2.20258025911339e-09]},
            {"name": "D4S iso 100", "iso": 100, "a": [1.02944142656197e-06, 4.17964044291705e-07, 7.93203216229589e-07], "b": [2.03047986300512e-09, 1.21883315545788e-09, 2.13175360662232e-09]},
            {"name": "D4S iso 125", "iso": 125, "a": [1.2830609444655e-06, 5.17585486667202e-07, 9.9172994450124e-07], "b": [2.04607972122e-09, 1.36433651657883e-09, 2.32559399339432e-09]},
            {"name": "D4S iso 160", "iso": 160, "a": [1.6023127316353e-06, 6.43586939482586e-07, 1.23164412584119e-06], "b": [2.25379128247393e-09, 1.52177283146773e-09, 2.54487368230471e-09]},
            {"name": "D4S iso 200", "iso": 200, "a": [2.03740720490709e-06, 8.25582028617065e-07, 1.56791840022968e-06], "b": [2.14392869674437e-09, 1.43228161955772e-09, 2.44287265143278e-09]},
            {"name": "D4S iso 250", "iso": 250, "a": [2.56035094850124e-06, 1.02715011457118e-06, 1.97383988696991e-06], "b": [2.6348003815362e-09, 1.67011387582987e-09, 2.84422390176124e-09]},
            {"name": "D4S iso 320", "iso": 320, "a": [3.19610889320167e-06, 1.27957441174402e-06, 2.46059834650518e-06], "b": [2.58166178602703e-09, 1.93966271706279e-09, 3.10412782619196e-09]},
            {"name": "D4S iso 400", "iso": 400, "a": [4.00848859238623e-06, 1.59764057170451e-06, 3.09101330344928e-06], "b": [3.24305350367016e-09, 2.22959128010716e-09, 3.81925929406448e-09]},
            {"name": "D4S iso 500", "iso": 500, "a": [5.04447759971536e-06, 2.00427313491224e-06, 3.87991247057665e-06], "b": [3.99719282832656e-09, 2.7284009900194e-09, 4.60937320582677e-09]},
            {"name": "D4S iso 640", "iso": 640, "a": [6.30111247588121e-06, 2.51492715139075e-06, 4.85616965602985e-06], "b": [5.39343875374081e-09, 3.52596318481526e-09, 6.11614277603195e-09]},
            {"name": "D4S iso 800", "iso": 800, "a": [7.90552123698332e-06, 3.14112879129427e-06, 6.12328258648488e-06], "b": [6.68617596942046e-09, 4.4308660290083e-09, 7.47823599238625e-09]},
            {"name": "D4S iso 1000", "iso": 1000, "a": [1.00129902740119e-05, 3.95553168065348e-06, 7.70788421177604e-06], "b": [8.10604420908773e-09, 5.57847635310665e-09, 9.34273941522028e-09]},
            {"name": "D4S iso 1250", "iso": 1250, "a": [1.25890127556243e-05, 4.98099145685533e-06, 9.74393196957047e-06], "b": [1.03286446309948e-08, 7.03540147189722e-09, 1.16679888724519e-08]},
            {"name": "D4S iso 1600", "iso": 1600, "a": [1.58342198478828e-05, 6.25758138856995e-06, 1.22334485105677e-05], "b": [1.3042472831387e-08, 9.42206680326875e-09, 1.52520315678926e-08]},
            {"name": "D4S iso 2000", "iso": 2000, "a": [2.00849800753388e-05, 7.89598288121551e-06, 1.5498230489685e-05], "b": [1.63412040863525e-08, 1.1948938990847e-08, 1.93045967504584e-08]},
            {"name": "D4S iso 2500", "iso": 2500, "a": [2.52657345003459e-05, 9.88366676598739e-06, 1.95222450480007e-05], "b": [2.22230607861371e-08, 1.60762320666438e-08, 2.53564339136221e-08]},
            {"name": "D4S iso 3200", "iso": 3200, "a": [3.19273684954292e-05, 1.25212206515269e-05, 2.45856702826091e-05], "b": [2.84524497554911e-08, 2.01730089768182e-08, 3.26878898918074e-08]},
            {"name": "D4S iso 4000", "iso": 4000, "a": [4.04467768565425e-05, 1.58044889774479e-05, 3.13788809730751e-05], "b": [3.7600238790638e-08, 2.66796124912391e-08, 4.15147468126833e-08]},
            {"name": "D4S iso 5000", "iso": 5000, "a": [5.12499942908642e-05, 1.99217275220186e-05, 3.94411978807949e-05], "b": [5.05745218157127e-08, 3.60135460113255e-08, 5.60262818847655e-08]},
            {"name": "D4S iso 6400", "iso": 6400, "a": [6.49723499339173e-05, 2.52185034511132e-05, 4.99770674337352e-05], "b": [6.40403627489338e-08, 4.5480766246028e-08, 7.21132281207944e-08]},
            {"name": "D4S iso 8000", "iso": 8000, "a": [8.21365093863098e-05, 3.19166534763886e-05, 6.33718071480046e-05], "b": [8.95878600253416e-08, 6.26961632097159e-08, 9.65095791469514e-08]},
            {"name": "D4S iso 10000", "iso": 10000, "a": [0.000104189903147878, 4.06198002759452e-05, 8.08914314356941e-05], "b": [1.15658577329897e-07, 7.96950507163328e-08, 1.20704233007312e-07]},
            {"name": "D4S iso 12800", "iso": 12800, "a": [0.000132913881117696, 5.18933605290361e-05, 0.000102679554664375], "b": [1.54699132964209e-07, 1.05373373957131e-07, 1.60192600835962e-07]},
            {"name": "D4S iso 16000", "iso": 16000, "a": [0.00016832892432246, 6.52831536088331e-05, 0.000130488920218815], "b": [2.16547568567824e-07, 1.50531791954868e-07, 2.22343968750227e-07]},
            {"name": "D4S iso 20000", "iso": 20000, "a": [0.000212423264272841, 8.32580531862954e-05, 0.000164518348056216], "b": [2.98135971768887e-07, 2.08719069358308e-07, 3.02259152917479e-07]},
            {"name": "D4S iso 25600", "iso": 25600, "a": [0.000269450141665538, 0.000105693523906896, 0.000210840471655718], "b": [4.04362480175938e-07, 2.93235093317883e-07, 4.13037364586141e-07]},
            {"name": "D4S iso 32254", "iso": 32254, "a": [0.000336640753556648, 0.000131725055945248, 0.000259920730947814], "b": [5.4630648837674e-07, 4.16434752393967e-07, 5.78928452128033e-07]},
            {"name": "D4S iso 40637", "iso": 40637, "a": [0.000436457277475618, 0.000170427916459607, 0.000333907553259055], "b": [7.24489201036269e-07, 5.81148025410187e-07, 8.27623209522749e-07]},
            {"name": "D4S iso 51200", "iso": 51200, "a": [0.000558629338401736, 0.000215980928616054, 0.000427899786266539], "b": [1.01713342482527e-06, 8.66940665327794e-07, 1.24855192044752e-06]},
            {"name": "D4S iso 102400", "iso": 102400, "a": [0.00113563574383256, 0.000438890365256485, 0.000877417016722193], "b": [2.71734320878059e-06, 2.95992167535624e-06, 4.17056044580065e-06]},
            {"name": "D4S iso 204800", "iso": 204800, "a": [0.00233270246447533, 0.000905701117000206, 0.00180789071635763], "b": [8.61553002057066e-06, 1.09438445654693e-05, 1.47958702765523e-05]},
            {"name": "D4S iso 409600", "iso": 409600, "a": [0.00496871301821588, 0.00190743594519186, 0.00395791184115346], "b": [1.04492540433055e-05, 3.62765920110436e-05, 3.66024619844252e-05]}
          ]
        },
        {
          "comment": "nikon d40 by Björn Sonnenschein, fit for iso 3200 is a little off",
          "model": "D40",
          "profiles": [
            {"name": "NIKON D40 iso 200", "iso": 200, "a": [9.06184639231022e-06, 3.32876464255606e-06, 4.43038938103244e-06], "b": [3.79748456848388e-08, 2.17209633247412e-08, 3.07898485638319e-08]},
            {"name": "NIKON D40 iso 400", "iso": 400, "a": [1.81203565425609e-05, 6.49280004156721e-06, 8.20585226166676e-06], "b": [7.67029864881738e-08, 6.12847455529282e-08, 8.45136364779602e-08]},
            {"name": "NIKON D40 iso 800", "iso": 800, "a": [3.27157216757972e-05, 1.19998665219278e-05, 1.66319065031043e-05], "b": [1.86834859605992e-07, 1.50922985348677e-07, 2.0421295212633e-07]},
            {"name": "NIKON D40 iso 1600", "iso": 1600, "a": [6.63415718145666e-05, 2.65328871952215e-05, 3.78845551924937e-05], "b": [4.4515387559075e-07, 3.28793581633797e-07, 4.79732314042812e-07]},
            {"name": "NIKON D40 iso 3200", "iso": 3200, "a": [0.000190508430660164, 9.02437217524401e-05, 0.000160690229752482], "b": [2.63848648343068e-06, 1.96995498392379e-06, 2.74279885703267e-06]},
            {"skip": true, "name": "NIKON D40 iso 200", "iso": 200, "a": [7.76749376547193e-06, 3.04541509480509e-06, 5.45160897607319e-06], "b": [2.45845600699799e-08, 1.9765160790749e-08, 2.54741069675667e-08]},
            {"skip": true, "name": "NIKON D40 iso 400", "iso": 400, "a": [1.50549568901977e-05, 6.19684175395593e-06, 1.02323642436365e-05], "b": [4.63787114231445e-08, 3.58294267828274e-08, 4.90308077987114e-08]},
            {"skip": true, "name": "NIKON D40 iso 800", "iso": 800, "a": [2.80988749464391e-05, 1.14455328784908e-05, 1.92258449090517e-05], "b": [1.12910689936351e-07, 7.74750961500393e-08, 1.17919330180329e-07]},
            {"skip": true, "name": "NIKON D40 iso 1600", "iso": 1600, "a": [5.86165757609237e-05, 2.4006475392281e-05, 3.98229264708542e-05], "b": [2.89627885101928e-07, 1.71764471258341e-07, 2.97652058505259e-07]},
            {"skip": true, "name": "NIKON D40 iso 3200", "iso": 3200, "a": [0.00016979493439124, 7.10164786655147e-05, 0.000111596149252809], "b": [2.18582065052034e-06, 1.38518409189016e-06, 2.3400945736856e-06]}
          ]
        },
        {
          "comment": "d5 contributed by jimmy",
          "model": "D5",
          "profiles": [
            {"name": "D5 iso 100", "iso": 100, "a": [2.03246675839829e-06, 6.80170573178242e-07, 1.10257403615968e-06], "b": [1.50695488632129e-08, 1.06286550672199e-08, 1.45886843411439e-08]},
            {"name": "D5 iso 125", "iso": 125, "a": [2.51778830647376e-06, 8.39713694805568e-07, 1.39448255733019e-06], "b": [2.17105143214909e-08, 1.63344590801163e-08, 2.16387465043654e-08]},
            {"name": "D5 iso 160", "iso": 160, "a": [3.15603179766726e-06, 1.05614706359561e-06, 1.71140048511089e-06], "b": [3.20479205898534e-08, 2.52817412300199e-08, 3.37137827504178e-08]},
            {"name": "D5 iso 200", "iso": 200, "a": [3.84594126112924e-06, 1.27009990838328e-06, 2.14517442998523e-06], "b": [1.73038107469757e-08, 1.28688901506268e-08, 1.67903313579682e-08]},
            {"name": "D5 iso 250", "iso": 250, "a": [4.81161424592956e-06, 1.62177756630261e-06, 2.734367635098e-06], "b": [2.56581875215157e-08, 1.93426810284147e-08, 2.55312389182822e-08]},
            {"name": "D5 iso 320", "iso": 320, "a": [6.08394547994693e-06, 2.04182069068318e-06, 3.41837510718504e-06], "b": [3.66915319504553e-08, 2.93195417185509e-08, 3.85603439037261e-08]},
            {"name": "D5 iso 400", "iso": 400, "a": [7.40536845869472e-06, 2.50675347878777e-06, 4.26042250159168e-06], "b": [2.45256904830805e-08, 1.80877439333428e-08, 2.40187194377818e-08]},
            {"name": "D5 iso 500", "iso": 500, "a": [9.34685093682122e-06, 3.21049488741032e-06, 5.44551340602671e-06], "b": [3.45042949053727e-08, 2.69525978964874e-08, 3.65513973537697e-08]},
            {"name": "D5 iso 640", "iso": 640, "a": [1.17933781619209e-05, 4.0898828917439e-06, 6.86759464351207e-06], "b": [2.96403071872585e-08, 2.13265230383707e-08, 2.98244430987006e-08]},
            {"name": "D5 iso 800", "iso": 800, "a": [1.49998894049913e-05, 5.12046460874333e-06, 8.67371307535073e-06], "b": [4.00859091611218e-08, 3.12003511013699e-08, 4.1545429109848e-08]},
            {"name": "D5 iso 1000", "iso": 1000, "a": [1.89560392865053e-05, 6.40343203952003e-06, 1.0976931497607e-05], "b": [5.70649902606317e-08, 4.72644315983069e-08, 6.09364558135478e-08]},
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          "comment": "nikon d50 by Togan Muftuoglu. noisy estimates for brighter regions (fits look decent though)",
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        {
          "comment": "nikon d60, fails to stabilize dark areas (like 5x variance in this image)",
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          "profiles": [
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        {
          "comment": "nikon d600, contributed by Guilherme Brondani Torri",
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          "profiles": [
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          "comment": "nikon d610 by christian touzé",
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        {
          "comment": "nikon d700 by jb",
          "model": "D700",
          "profiles": [
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          "comment": "olympus e-1 contributed by Damjan Vrencur",
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          "profiles": [
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          "profiles": [
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          "comment": "olympus e-510 contributed by Marco Amado",
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          "profiles": [
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            {"name": "E-510 iso 200", "iso": 200, "a": [2.007861004663e-05, 9.66322406822059e-06, 1.32394409222069e-05], "b": [1.06520694415779e-07, 1.06101835374891e-07, 1.13114751356369e-07]},
            {"name": "E-510 iso 400", "iso": 400, "a": [3.59408631322881e-05, 1.7123377242783e-05, 2.35651666381597e-05], "b": [1.28063929430509e-07, 1.45588010953878e-07, 1.60487952698779e-07]},
            {"name": "E-510 iso 800", "iso": 800, "a": [7.50368288292094e-05, 3.49713300976579e-05, 4.93786089449424e-05], "b": [4.54098313784328e-07, 4.0169151503679e-07, 5.24012521833398e-07]},
            {"name": "E-510 iso 1600", "iso": 1600, "a": [0.00018376216313997, 8.12795478102543e-05, 0.000119070663149387], "b": [1.51016989780678e-06, 1.40036939901172e-06, 1.63455717619998e-06]}
          ]
        },
        {
          "comment": "olympus e-520 by daniel schury",
          "model": "E-520",
          "profiles": [
            {"name": "Olympus E-520 iso 100", "iso": 100, "a": [2.45930250418796e-05, 1.02099264252535e-05, 1.03094391065689e-05], "b": [-8.7398616535417e-07, -7.21658765122154e-07, -1.60676226973807e-07]},
            {"name": "Olympus E-520 iso 200", "iso": 200, "a": [3.46489855516779e-05, 1.45903107693433e-05, 1.5220629132344e-05], "b": [-1.1666398111728e-06, -9.94818909397097e-07, -2.6759738242418e-07]},
            {"name": "Olympus E-520 iso 400", "iso": 400, "a": [5.45836721196911e-05, 2.43797935845142e-05, 2.66962175131977e-05], "b": [-1.45942557378248e-06, -1.52180153754017e-06, -4.2630023922702e-07]},
            {"name": "Olympus E-520 iso 800", "iso": 800, "a": [8.81114470869528e-05, 3.7733253425414e-05, 4.4909524017681e-05], "b": [-7.16051325129026e-07, -7.65555332821054e-07, 5.88023339950319e-07]},
            {"name": "Olympus E-520 iso 1600", "iso": 1600, "a": [0.000150903402037362, 6.14496726488485e-05, 7.8148183706356e-05], "b": [3.56181751137984e-06, 3.52884421017037e-06, 5.72834587473515e-06]}
          ]
        },
        {
          "comment": "clone of e-30 for e-600 (apparently has the same sensor)",
          "model": "E-600",
          "profiles": [
            {"name": "Olympus E-600 iso 100", "iso": 100, "a": [9.7071376303464e-06, 7.11119859126147e-06, 1.43234477170861e-05], "b": [-9.06560192729126e-08, -2.41125952783539e-07, -3.19385326622867e-07]},
            {"name": "Olympus E-600 iso 125", "iso": 125, "a": [1.20456303941201e-05, 8.5916937354069e-06, 1.63507564674459e-05], "b": [-7.39375265246587e-08, -2.69554361744923e-07, -2.48410739378445e-07]},
            {"name": "Olympus E-600 iso 160", "iso": 160, "a": [1.56529989102257e-05, 1.02934362650981e-05, 1.77166879017183e-05], "b": [-4.20365734464088e-08, -2.02996957670653e-07, 5.29589874186308e-09]},
            {"name": "Olympus E-600 iso 200", "iso": 200, "a": [1.0095886562545e-05, 6.93104653792698e-06, 1.16843434000443e-05], "b": [-1.22201572980062e-07, -2.27477805535749e-07, 3.23770042930603e-08]},
            {"name": "Olympus E-600 iso 250", "iso": 250, "a": [1.29475199645689e-05, 8.46056520489638e-06, 1.35672020706393e-05], "b": [-1.56424286258763e-07, -2.17640666926632e-07, 1.39913184326539e-07]},
            {"name": "Olympus E-600 iso 320", "iso": 320, "a": [1.54937257192008e-05, 9.96565953037391e-06, 1.67345924078165e-05], "b": [-8.68535574704753e-08, -1.56806153982179e-07, 2.43131977515659e-07]},
            {"name": "Olympus E-600 iso 400", "iso": 400, "a": [1.9113446058363e-05, 1.07745915338773e-05, 1.75354364481865e-05], "b": [-1.89298531918018e-07, 1.12954758094748e-07, 6.39061318416547e-07]},
            {"name": "Olympus E-600 iso 500", "iso": 500, "a": [2.11949380361048e-05, 1.35577131775584e-05, 2.31360696860893e-05], "b": [7.23334285808473e-08, 1.22967405892309e-07, 7.02832916225672e-07]},
            {"name": "Olympus E-600 iso 640", "iso": 640, "a": [2.73199109169886e-05, 1.67468277151008e-05, 2.95174774898525e-05], "b": [1.99717400841382e-07, 2.75231709016361e-07, 8.64971660648951e-07]},
            {"name": "Olympus E-600 iso 800", "iso": 800, "a": [3.37153575569615e-05, 2.06893507139736e-05, 3.88227466208396e-05], "b": [1.6088342752527e-07, 2.65337245132019e-07, 6.41368781875726e-07]},
            {"name": "Olympus E-600 iso 1000", "iso": 1000, "a": [4.35040657457758e-05, 2.74901261504848e-05, 4.77520441360138e-05], "b": [3.50283692595926e-07, 1.52239280251802e-07, 1.20426607195639e-06]},
            {"name": "Olympus E-600 iso 1250", "iso": 1250, "a": [5.26077166899586e-05, 3.41240085546217e-05, 5.88240938452458e-05], "b": [8.44266815099888e-07, 5.27504382892626e-07, 1.93639030690002e-06]},
            {"name": "Olympus E-600 iso 1600", "iso": 1600, "a": [6.57353551949384e-05, 3.65886597333215e-05, 6.54938510019982e-05], "b": [1.49787788804922e-06, 2.30740528605681e-06, 3.78507040181792e-06]},
            {"name": "Olympus E-600 iso 2000", "iso": 2000, "a": [8.62141802726288e-05, 5.03284121108448e-05, 7.89194460796899e-05], "b": [2.44624695228374e-06, 2.29047427336703e-06, 5.80698306285845e-06]},
            {"name": "Olympus E-600 iso 2500", "iso": 2500, "a": [0.000110342048549196, 6.48384215703911e-05, 0.000101826544077179], "b": [4.20346704162012e-06, 3.90138066601788e-06, 7.79212482176447e-06]},
            {"name": "Olympus E-600 iso 3200", "iso": 3200, "a": [0.000139880356662346, 8.13578184026246e-05, 0.000152070112576575], "b": [5.78577431993228e-06, 6.62245038671539e-06, 9.69460041876962e-06]}
          ]
        },
        {
          "comment": "clone of e-30 for e-620 (apparently has the same sensor)",
          "model": "E-620",
          "profiles": [
            {"name": "Olympus E-620 iso 100", "iso": 100, "a": [9.7071376303464e-06, 7.11119859126147e-06, 1.43234477170861e-05], "b": [-9.06560192729126e-08, -2.41125952783539e-07, -3.19385326622867e-07]},
            {"name": "Olympus E-620 iso 125", "iso": 125, "a": [1.20456303941201e-05, 8.5916937354069e-06, 1.63507564674459e-05], "b": [-7.39375265246587e-08, -2.69554361744923e-07, -2.48410739378445e-07]},
            {"name": "Olympus E-620 iso 160", "iso": 160, "a": [1.56529989102257e-05, 1.02934362650981e-05, 1.77166879017183e-05], "b": [-4.20365734464088e-08, -2.02996957670653e-07, 5.29589874186308e-09]},
            {"name": "Olympus E-620 iso 200", "iso": 200, "a": [1.0095886562545e-05, 6.93104653792698e-06, 1.16843434000443e-05], "b": [-1.22201572980062e-07, -2.27477805535749e-07, 3.23770042930603e-08]},
            {"name": "Olympus E-620 iso 250", "iso": 250, "a": [1.29475199645689e-05, 8.46056520489638e-06, 1.35672020706393e-05], "b": [-1.56424286258763e-07, -2.17640666926632e-07, 1.39913184326539e-07]},
            {"name": "Olympus E-620 iso 320", "iso": 320, "a": [1.54937257192008e-05, 9.96565953037391e-06, 1.67345924078165e-05], "b": [-8.68535574704753e-08, -1.56806153982179e-07, 2.43131977515659e-07]},
            {"name": "Olympus E-620 iso 400", "iso": 400, "a": [1.9113446058363e-05, 1.07745915338773e-05, 1.75354364481865e-05], "b": [-1.89298531918018e-07, 1.12954758094748e-07, 6.39061318416547e-07]},
            {"name": "Olympus E-620 iso 500", "iso": 500, "a": [2.11949380361048e-05, 1.35577131775584e-05, 2.31360696860893e-05], "b": [7.23334285808473e-08, 1.22967405892309e-07, 7.02832916225672e-07]},
            {"name": "Olympus E-620 iso 640", "iso": 640, "a": [2.73199109169886e-05, 1.67468277151008e-05, 2.95174774898525e-05], "b": [1.99717400841382e-07, 2.75231709016361e-07, 8.64971660648951e-07]},
            {"name": "Olympus E-620 iso 800", "iso": 800, "a": [3.37153575569615e-05, 2.06893507139736e-05, 3.88227466208396e-05], "b": [1.6088342752527e-07, 2.65337245132019e-07, 6.41368781875726e-07]},
            {"name": "Olympus E-620 iso 1000", "iso": 1000, "a": [4.35040657457758e-05, 2.74901261504848e-05, 4.77520441360138e-05], "b": [3.50283692595926e-07, 1.52239280251802e-07, 1.20426607195639e-06]},
            {"name": "Olympus E-620 iso 1250", "iso": 1250, "a": [5.26077166899586e-05, 3.41240085546217e-05, 5.88240938452458e-05], "b": [8.44266815099888e-07, 5.27504382892626e-07, 1.93639030690002e-06]},
            {"name": "Olympus E-620 iso 1600", "iso": 1600, "a": [6.57353551949384e-05, 3.65886597333215e-05, 6.54938510019982e-05], "b": [1.49787788804922e-06, 2.30740528605681e-06, 3.78507040181792e-06]},
            {"name": "Olympus E-620 iso 2000", "iso": 2000, "a": [8.62141802726288e-05, 5.03284121108448e-05, 7.89194460796899e-05], "b": [2.44624695228374e-06, 2.29047427336703e-06, 5.80698306285845e-06]},
            {"name": "Olympus E-620 iso 2500", "iso": 2500, "a": [0.000110342048549196, 6.48384215703911e-05, 0.000101826544077179], "b": [4.20346704162012e-06, 3.90138066601788e-06, 7.79212482176447e-06]},
            {"name": "Olympus E-620 iso 3200", "iso": 3200, "a": [0.000139880356662346, 8.13578184026246e-05, 0.000152070112576575], "b": [5.78577431993228e-06, 6.62245038671539e-06, 9.69460041876962e-06]}
          ]
        },
        {
          "comment": "olympus e-m1 by steve adler",
          "model": "E-M1",
          "profiles": [
            {"name": "Olympus E-M1 iso 100", "iso": 100, "a": [7.74190217788802e-06, 4.99514479968385e-06, 1.24707994540308e-05], "b": [9.00673204757928e-09, 6.7615625234093e-09, 3.21290513504933e-08]},
            {"name": "Olympus E-M1 iso 200", "iso": 200, "a": [6.77238178962881e-06, 4.40947998595696e-06, 1.20897181686562e-05], "b": [1.19538393887721e-08, 9.34819487803036e-09, 1.76732068647542e-08]},
            {"name": "Olympus E-M1 iso 250", "iso": 250, "a": [8.66267895478374e-06, 5.60798923757757e-06, 1.51791432704428e-05], "b": [1.52102952885493e-08, 1.15495033410535e-08, 2.07605594271582e-08]},
            {"name": "Olympus E-M1 iso 320", "iso": 320, "a": [1.0713858700149e-05, 6.99706479831536e-06, 1.91592961573295e-05], "b": [1.8259943648198e-08, 1.39565930264875e-08, 2.6718571066234e-08]},
            {"name": "Olympus E-M1 iso 400", "iso": 400, "a": [1.36383521557291e-05, 8.77283475595945e-06, 2.37394702882755e-05], "b": [2.44279164128332e-08, 1.9247486697176e-08, 3.30069772798631e-08]},
            {"name": "Olympus E-M1 iso 500", "iso": 500, "a": [1.69949600260163e-05, 1.09593490350519e-05, 2.96274859745454e-05], "b": [3.07375991590068e-08, 2.48470813223883e-08, 4.23656097822847e-08]},
            {"name": "Olympus E-M1 iso 640", "iso": 640, "a": [2.14069798926058e-05, 1.38504469072936e-05, 3.78369789899263e-05], "b": [3.86991510394671e-08, 3.31278810225392e-08, 5.3260647792296e-08]},
            {"name": "Olympus E-M1 iso 800", "iso": 800, "a": [2.66852185305474e-05, 1.73226524383083e-05, 4.73030454880297e-05], "b": [5.27120834585534e-08, 4.29284998660963e-08, 7.09907402619808e-08]},
            {"name": "Olympus E-M1 iso 1000", "iso": 1000, "a": [3.40225110143011e-05, 2.20731050564408e-05, 5.9213687825035e-05], "b": [7.11844413191646e-08, 5.68934899896266e-08, 9.18760638122351e-08]},
            {"name": "Olympus E-M1 iso 1250", "iso": 1250, "a": [4.26969019934966e-05, 2.76694411620427e-05, 7.45693673999991e-05], "b": [8.95038834277528e-08, 7.37322491076928e-08, 1.13644936577435e-07]},
            {"name": "Olympus E-M1 iso 1600", "iso": 1600, "a": [5.27923446436706e-05, 3.46016784719241e-05, 9.38528910529107e-05], "b": [1.18542118886949e-07, 9.97292075228335e-08, 1.48053258500048e-07]},
            {"name": "Olympus E-M1 iso 2000", "iso": 2000, "a": [6.71959306123621e-05, 4.3734478378563e-05, 0.000105955198172694], "b": [1.56873649495158e-07, 1.36950513574431e-07, 2.67596543041763e-07]},
            {"name": "Olympus E-M1 iso 2500", "iso": 2500, "a": [8.33688670758327e-05, 5.49275672348253e-05, 0.000135092029580169], "b": [2.10772264478323e-07, 1.84646967751446e-07, 3.64677180634245e-07]},
            {"name": "Olympus E-M1 iso 3200", "iso": 3200, "a": [0.000105956351244575, 6.93957545571624e-05, 0.000166926459574278], "b": [3.0686492191593e-07, 2.57471009594172e-07, 5.65562286292852e-07]},
            {"name": "Olympus E-M1 iso 4000", "iso": 4000, "a": [0.000132404033935657, 8.78464493477256e-05, 0.000212072057636582], "b": [3.79117806753487e-07, 3.54060601151263e-07, 7.56314102202783e-07]},
            {"name": "Olympus E-M1 iso 5000", "iso": 5000, "a": [0.000165780183117309, 0.000109362367275444, 0.000263268223754436], "b": [5.61815060315291e-07, 5.0807598818653e-07, 1.05686986025883e-06]},
            {"name": "Olympus E-M1 iso 6400", "iso": 6400, "a": [0.000207474595606609, 0.000138374417152766, 0.000337469523149218], "b": [7.72518654731912e-07, 7.57471267471607e-07, 1.45444333509722e-06]},
            {"name": "Olympus E-M1 iso 8000", "iso": 8000, "a": [0.000262385609010228, 0.00017475179693112, 0.000419250122440518], "b": [1.25603178904549e-06, 1.13751715809676e-06, 2.24578441552896e-06]},
            {"name": "Olympus E-M1 iso 10000", "iso": 10000, "a": [0.000328341354577138, 0.000220180402050329, 0.000510836414893689], "b": [1.7293264895302e-06, 1.76156760941109e-06, 3.67552325438007e-06]},
            {"name": "Olympus E-M1 iso 12800", "iso": 12800, "a": [0.000418953490513845, 0.000280795389477785, 0.000606125421488139], "b": [2.72223703196694e-06, 2.59448468874635e-06, 6.86097987458425e-06]},
            {"name": "Olympus E-M1 iso 16000", "iso": 16000, "a": [0.00052510487155853, 0.000349790365434269, 0.000644006946224191], "b": [4.40262943393105e-06, 4.12131468947183e-06, 1.46215956052916e-05]},
            {"name": "Olympus E-M1 iso 20000", "iso": 20000, "a": [0.000656367280208501, 0.000441841924552818, 0.000736327793054226], "b": [6.02497589163941e-06, 6.31995888916609e-06, 2.26325193141484e-05]},
            {"name": "Olympus E-M1 iso 25600", "iso": 25600, "a": [0.000835695986506021, 0.000560610641298958, 0.00077001770237218], "b": [1.02770271316684e-05, 9.80974699811208e-06, 4.17848241272335e-05]}
          ]
        },
        {
          "comment": "olympus e-m10 contributed by Matthias Grocholl",
          "model": "E-M10",
          "profiles": [
            {"name": "Olympus E-M10 iso 100", "iso": 100, "a": [5.52970064374362e-06, 4.21304571433177e-06, 1.3324373439563e-05], "b": [-1.0018336612807e-08, 3.94025652121711e-09, 5.41767953489006e-08]},
            {"name": "Olympus E-M10 iso 200", "iso": 200, "a": [5.27885096621069e-06, 4.0311073728833e-06, 1.42791100255731e-05], "b": [6.18695598001519e-09, 1.09251397994329e-08, 3.56149326146519e-08]},
            {"name": "Olympus E-M10 iso 250", "iso": 250, "a": [6.57290921518075e-06, 5.07547535664151e-06, 1.78979830259905e-05], "b": [8.31234437180656e-09, 1.46571193014622e-08, 4.86555935791215e-08]},
            {"name": "Olympus E-M10 iso 320", "iso": 320, "a": [8.23268475282371e-06, 6.2530560960975e-06, 2.20075078774826e-05], "b": [1.75119623061569e-08, 2.15114605348119e-08, 6.27005903251517e-08]},
            {"name": "Olympus E-M10 iso 400", "iso": 400, "a": [1.02740831329348e-05, 7.76891031908947e-06, 2.68189177808402e-05], "b": [1.22779439826579e-08, 1.95798802723303e-08, 6.30419053993293e-08]},
            {"name": "Olympus E-M10 iso 500", "iso": 500, "a": [1.27487664407172e-05, 9.76629901277535e-06, 3.3985537553202e-05], "b": [1.5728707654148e-08, 2.4892043827518e-08, 8.42717425085516e-08]},
            {"name": "Olympus E-M10 iso 640", "iso": 640, "a": [1.54625801809514e-05, 1.18262634819645e-05, 4.1076604362959e-05], "b": [3.01529318840337e-08, 3.91150274835145e-08, 1.07246457149077e-07]},
            {"name": "Olympus E-M10 iso 800", "iso": 800, "a": [1.97274205750951e-05, 1.49300120842881e-05, 5.16290589584989e-05], "b": [4.37640260057681e-08, 5.41752067511797e-08, 1.35248326892837e-07]},
            {"name": "Olympus E-M10 iso 1000", "iso": 1000, "a": [2.48940025499384e-05, 1.87371396115374e-05, 6.49906719408842e-05], "b": [7.19304633073414e-08, 7.78212582658316e-08, 1.83956219830277e-07]},
            {"name": "Olympus E-M10 iso 1250", "iso": 1250, "a": [3.11531205482021e-05, 2.34524754619465e-05, 8.06221647125521e-05], "b": [9.8508623771691e-08, 1.10455401926812e-07, 2.45487042736294e-07]},
            {"name": "Olympus E-M10 iso 1600", "iso": 1600, "a": [3.95054702261325e-05, 2.98932019899239e-05, 0.000102609631032762], "b": [1.46316418785828e-07, 1.53754825291345e-07, 3.24060815486051e-07]},
            {"name": "Olympus E-M10 iso 2000", "iso": 2000, "a": [5.04587681958752e-05, 3.81244119678433e-05, 0.000127187706430444], "b": [2.17831131568732e-07, 2.08357901803733e-07, 3.96892396874616e-07]},
            {"name": "Olympus E-M10 iso 2500", "iso": 2500, "a": [6.33700113749826e-05, 4.7917032118296e-05, 0.000162546352417275], "b": [3.124312513936e-07, 2.95890584688271e-07, 5.54323877042126e-07]},
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            {"name": "Olympus E-M10 iso 4000", "iso": 4000, "a": [0.000103501977642578, 7.87206458974012e-05, 0.000263518813373455], "b": [6.64706723985038e-07, 6.18853804432904e-07, 1.01980789494233e-06]},
            {"name": "Olympus E-M10 iso 5000", "iso": 5000, "a": [0.000135298740644269, 0.00010327680825576, 0.000343875628667601], "b": [9.38764705489347e-07, 8.50656073268359e-07, 1.29256621272383e-06]},
            {"name": "Olympus E-M10 iso 6400", "iso": 6400, "a": [0.00017190771276232, 0.000132265407945499, 0.00043138635174981], "b": [1.37896879988534e-06, 1.27102449268754e-06, 1.8298086084211e-06]},
            {"name": "Olympus E-M10 iso 8000", "iso": 8000, "a": [0.000229154996282747, 0.000178545440094271, 0.000560575016755586], "b": [1.87947872573366e-06, 1.73392014464826e-06, 2.41457431900873e-06]},
            {"name": "Olympus E-M10 iso 10000", "iso": 10000, "a": [0.000303399551410581, 0.000239417970052446, 0.000710253470589204], "b": [2.6600888039988e-06, 2.40037443577335e-06, 3.17436600456475e-06]},
            {"name": "Olympus E-M10 iso 12800", "iso": 12800, "a": [0.000379720435342194, 0.000296923127994401, 0.000859041761073275], "b": [4.1499308254859e-06, 3.89183522978768e-06, 5.00589858910225e-06]},
            {"name": "Olympus E-M10 iso 16000", "iso": 16000, "a": [0.000512909615826058, 0.000434366865123056, 0.00112314725009763], "b": [5.17462665366535e-06, 4.59518057515397e-06, 5.82748593792202e-06]},
            {"name": "Olympus E-M10 iso 20000", "iso": 20000, "a": [0.000676685859629288, 0.000592958370763385, 0.00141518451822841], "b": [7.05261752822402e-06, 6.04913098617647e-06, 7.68860701559556e-06]},
            {"name": "Olympus E-M10 iso 25600", "iso": 25600, "a": [0.000869807091934271, 0.000821977485910616, 0.00175285520277303], "b": [9.31076597964603e-06, 7.30041023706674e-06, 9.61829465997919e-06]},
            {"skip": true, "name": "E-M10 iso 100", "iso": 100, "a": [7.98098524793963e-06, 3.58321114711828e-06, 6.2275048229058e-06], "b": [1.0711134062885e-08, 1.60991127527557e-09, 9.68046558068677e-09]},
            {"skip": true, "name": "E-M10 iso 200", "iso": 200, "a": [7.75038814963806e-06, 3.43925205954935e-06, 6.05321038477629e-06], "b": [1.30885172875239e-08, 6.91413956191518e-09, 1.29833801841222e-08]},
            {"skip": true, "name": "E-M10 iso 250", "iso": 250, "a": [9.70922384576952e-06, 4.35499077224943e-06, 7.59421397262083e-06], "b": [1.7816135610543e-08, 8.50915785936426e-09, 1.42795112605054e-08]},
            {"skip": true, "name": "E-M10 iso 320", "iso": 320, "a": [1.19734619688467e-05, 5.37491488545513e-06, 9.39479277307395e-06], "b": [2.37168191267104e-08, 1.27921259692802e-08, 2.34972328183344e-08]},
            {"skip": true, "name": "E-M10 iso 400", "iso": 400, "a": [1.50672514636552e-05, 6.78358225121592e-06, 1.17974333325514e-05], "b": [2.17937129087455e-08, 1.10426643420075e-08, 2.01440187625277e-08]},
            {"skip": true, "name": "E-M10 iso 500", "iso": 500, "a": [2.45425465681807e-05, 1.09636621504231e-05, 1.92046595248163e-05], "b": [4.71017781800194e-08, 2.47097187192792e-08, 4.64156246954803e-08]},
            {"skip": true, "name": "E-M10 iso 640", "iso": 640, "a": [2.37427949461541e-05, 1.06354613026899e-05, 1.86745022545958e-05], "b": [3.93274285886345e-08, 2.13320463423718e-08, 3.7772261684897e-08]},
            {"skip": true, "name": "E-M10 iso 800", "iso": 800, "a": [2.98695119705811e-05, 1.3334995487512e-05, 2.35142869968519e-05], "b": [5.53808280343389e-08, 2.91245442424457e-08, 5.3082591862793e-08]},
            {"skip": true, "name": "E-M10 iso 1000", "iso": 1000, "a": [3.70736498845211e-05, 1.66868468315352e-05, 2.91783058878668e-05], "b": [7.71592671559755e-08, 4.12900214644293e-08, 7.41130612547522e-08]},
            {"skip": true, "name": "E-M10 iso 1250", "iso": 1250, "a": [4.68810477669831e-05, 2.09477803134772e-05, 3.67976942090768e-05], "b": [1.01320746923039e-07, 6.36979465877723e-08, 1.02286039099308e-07]},
            {"skip": true, "name": "E-M10 iso 1600", "iso": 1600, "a": [5.85805786774318e-05, 2.61114547803644e-05, 4.59914046668682e-05], "b": [1.47007433013208e-07, 8.75061736444635e-08, 1.44470119722315e-07]},
            {"skip": true, "name": "E-M10 iso 2000", "iso": 2000, "a": [9.63919931436932e-05, 4.31939750600662e-05, 7.58917648215175e-05], "b": [2.85881559454424e-07, 2.05791597500946e-07, 3.15305292416101e-07]},
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            {"skip": true, "name": "E-M10 iso 3200", "iso": 3200, "a": [0.000131445347568587, 5.92963461824783e-05, 0.000104164507188931], "b": [4.43835490401728e-07, 3.15304230377292e-07, 4.57729289743145e-07]},
            {"skip": true, "name": "E-M10 iso 4000", "iso": 4000, "a": [0.000147858416564552, 6.64980260474526e-05, 0.000117818823899349], "b": [5.05263998467631e-07, 3.87625046218177e-07, 5.26313555699351e-07]},
            {"skip": true, "name": "E-M10 iso 5000", "iso": 5000, "a": [0.000187150495322929, 8.42575642766885e-05, 0.000149236362222044], "b": [7.25382591346563e-07, 5.5507508906693e-07, 7.351837224222e-07]},
            {"skip": true, "name": "E-M10 iso 6400", "iso": 6400, "a": [0.000239140617273916, 0.000106937051983151, 0.000189717098192844], "b": [1.03066526060702e-06, 8.03253533072218e-07, 1.06026405307289e-06]},
            {"skip": true, "name": "E-M10 iso 8000", "iso": 8000, "a": [0.000307047067380873, 0.000140061883142901, 0.000246044958130282], "b": [1.3984351220959e-06, 1.1295408660182e-06, 1.44648138492605e-06]},
            {"skip": true, "name": "E-M10 iso 10000", "iso": 10000, "a": [0.000395738804196794, 0.000182084194975288, 0.000322821221931731], "b": [1.95879058604654e-06, 1.59043253916097e-06, 2.02785040861988e-06]},
            {"skip": true, "name": "E-M10 iso 12800", "iso": 12800, "a": [0.000511102953641101, 0.000239894807973159, 0.000417705896112809], "b": [2.74898560580191e-06, 2.19689935241208e-06, 2.85791031067042e-06]},
            {"skip": true, "name": "E-M10 iso 16000", "iso": 16000, "a": [0.00066167522624143, 0.000325184630933552, 0.000556799880314662], "b": [3.72192070337355e-06, 2.98815890324798e-06, 3.85996731877265e-06]},
            {"skip": true, "name": "E-M10 iso 20000", "iso": 20000, "a": [0.000842601940758084, 0.000428148044468382, 0.000722441342166263], "b": [5.15164072818708e-06, 4.24102065540232e-06, 5.32966026522801e-06]},
            {"skip": true, "name": "E-M10 iso 25600", "iso": 25600, "a": [0.00105032860475424, 0.000566752962419451, 0.000920807652403111], "b": [6.7300655062615e-06, 5.55906354084577e-06, 6.97320979108275e-06]}
          ]
        },
        {
          "comment": "olympus omd-e5 contributed by matt feifarek",
          "model": "E-M5",
          "profiles": [
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            {"name": "Olympus E-M5 iso 400", "iso": 400, "a": [7.17225384650838e-06, 7.17225384650838e-06, 7.17225384650838e-06], "b": [-1.15696430190777e-07, -1.15696430190777e-07, -1.15696430190777e-07]},
            {"name": "Olympus E-M5 iso 800", "iso": 800, "a": [1.39777063155836e-05, 1.39777063155836e-05, 1.39777063155836e-05], "b": [-2.42337675961104e-07, -2.42337675961104e-07, -2.42337675961104e-07]},
            {"name": "Olympus E-M5 iso 1600", "iso": 1600, "a": [2.64695429520035e-05, 2.64695429520035e-05, 2.64695429520035e-05], "b": [-1.48010933567677e-07, -1.48010933567677e-07, -1.48010933567677e-07]},
            {"name": "Olympus E-M5 iso 3200", "iso": 3200, "a": [5.05148160339341e-05, 5.05148160339341e-05, 5.05148160339341e-05], "b": [1.86795334545125e-07, 1.86795334545125e-07, 1.86795334545125e-07]},
            {"name": "Olympus E-M5 iso 6400", "iso": 6400, "a": [9.86709410704645e-05, 9.86709410704645e-05, 9.86709410704645e-05], "b": [1.04469073600282e-06, 1.04469073600282e-06, 1.04469073600282e-06]},
            {"name": "Olympus E-M5 iso 12800", "iso": 12800, "a": [0.000197400445449016, 0.000197400445449016, 0.000197400445449016], "b": [3.8799676106741e-06, 3.8799676106741e-06, 3.8799676106741e-06]},
            {"name": "Olympus E-M5 iso 25600", "iso": 25600, "a": [0.000398880680356815, 0.000398880680356815, 0.000398880680356815], "b": [1.52202902674769e-05, 1.52202902674769e-05, 1.52202902674769e-05]}
          ]
        },
        {
          "comment": "olympus e-p2 contributed by Damjan Vrencur",
          "model": "E-P2",
          "profiles": [
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            {"name": "Olympus E-P2 iso 200", "iso": 200, "a": [9.96687630163281e-06, 5.54964450649148e-06, 8.25379144519012e-06], "b": [-4.26343622260664e-08, -2.70430059162575e-08, 3.13041519470428e-08]},
            {"name": "Olympus E-P2 iso 400", "iso": 400, "a": [1.78676694231019e-05, 9.37782111270381e-06, 1.41124841952903e-05], "b": [1.90133132211059e-08, 1.4860011508442e-07, 2.9166085183925e-07]},
            {"name": "Olympus E-P2 iso 800", "iso": 800, "a": [3.32414951341578e-05, 1.74381147818894e-05, 2.72952685162943e-05], "b": [4.2653528547826e-07, 5.87051568572042e-07, 7.38032043111424e-07]},
            {"name": "Olympus E-P2 iso 1600", "iso": 1600, "a": [6.29672283506924e-05, 3.12004382551687e-05, 4.92714689561855e-05], "b": [2.68133434050926e-06, 3.17217124979968e-06, 3.88552559539031e-06]},
            {"name": "Olympus E-P2 iso 3200", "iso": 3200, "a": [0.000127477964247651, 6.21727330399859e-05, 0.000101041381234184], "b": [1.12422239925038e-05, 1.24409126387774e-05, 1.4407158890129e-05]},
            {"name": "Olympus E-P2 iso 6400", "iso": 6400, "a": [0.000298721601371108, 0.000133634030218994, 0.000220677683810357], "b": [4.09683079298609e-05, 4.53566871489171e-05, 5.36590292460859e-05]}
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        {
          "comment": "olympus e-p3 contributed by ant, iso 12800 broken (preprocessed)",
          "model": "E-P3",
          "profiles": [
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            {"name": "Olympus E-P3 iso 250", "iso": 250, "a": [7.81898768604687e-06, 5.28878613776943e-06, 1.54604526263279e-05], "b": [1.10357123189981e-07, 8.69266150035675e-08, 1.13950989485014e-07]},
            {"name": "Olympus E-P3 iso 320", "iso": 320, "a": [1.00886647020904e-05, 6.8243148116244e-06, 1.96622611945243e-05], "b": [1.67234521776807e-07, 1.30112672716952e-07, 1.73289655863266e-07]},
            {"name": "Olympus E-P3 iso 400", "iso": 400, "a": [1.24101561717391e-05, 8.38350506350029e-06, 2.42647881113207e-05], "b": [1.34530361017604e-07, 1.02553327050412e-07, 1.41457608242855e-07]},
            {"name": "Olympus E-P3 iso 500", "iso": 500, "a": [1.59201199847706e-05, 1.07262243112729e-05, 3.10816730123436e-05], "b": [2.0135977070011e-07, 1.52253676705687e-07, 2.09986144397725e-07]},
            {"name": "Olympus E-P3 iso 640", "iso": 640, "a": [2.05306581744876e-05, 1.38279753461943e-05, 4.00179793810831e-05], "b": [3.087453026887e-07, 2.33199279044475e-07, 3.226826125255e-07]},
            {"name": "Olympus E-P3 iso 800", "iso": 800, "a": [2.57099104036087e-05, 1.72574605095918e-05, 5.00741191950761e-05], "b": [3.07519548381373e-07, 2.24485399286868e-07, 3.22142852527639e-07]},
            {"name": "Olympus E-P3 iso 1000", "iso": 1000, "a": [3.33635403960771e-05, 2.24853604993404e-05, 6.51359690731164e-05], "b": [4.65014325838843e-07, 3.38375965862234e-07, 4.82666963273052e-07]},
            {"name": "Olympus E-P3 iso 1250", "iso": 1250, "a": [4.34896899521553e-05, 2.93565396110127e-05, 8.53535145821489e-05], "b": [7.09694464892971e-07, 5.13438393537708e-07, 7.21673128077861e-07]},
            {"name": "Olympus E-P3 iso 1600", "iso": 1600, "a": [5.71555013842648e-05, 3.87463835144703e-05, 0.000112651260318146], "b": [1.03075607821111e-06, 7.34037118210004e-07, 1.04287535897745e-06]},
            {"name": "Olympus E-P3 iso 2000", "iso": 2000, "a": [7.58561920977265e-05, 5.12543770990082e-05, 0.000148126209208589], "b": [1.58392740408294e-06, 1.14092885289175e-06, 1.58422881976866e-06]},
            {"name": "Olympus E-P3 iso 2500", "iso": 2500, "a": [0.000103020890723356, 6.93761610317161e-05, 0.000200759322626083], "b": [2.42231430600711e-06, 1.77705395663356e-06, 2.42222785795237e-06]},
            {"name": "Olympus E-P3 iso 3200", "iso": 3200, "a": [0.000139022447497922, 9.51452670802385e-05, 0.000281853048076324], "b": [3.2861051113083e-06, 2.33650456481839e-06, 3.21644290978257e-06]},
            {"name": "Olympus E-P3 iso 4000", "iso": 4000, "a": [0.000194444320275143, 0.000131723176400371, 0.000377253618720688], "b": [4.93510772555196e-06, 3.55872382802495e-06, 4.85435280169394e-06]},
            {"name": "Olympus E-P3 iso 5000", "iso": 5000, "a": [0.00027421073430683, 0.000185869916330069, 0.000533961137110812], "b": [7.42542963742729e-06, 5.40034884621189e-06, 7.31688737222079e-06]},
            {"name": "Olympus E-P3 iso 6400", "iso": 6400, "a": [0.000416245723012963, 0.000285488220218586, 0.00081714186637563], "b": [1.02153704384536e-05, 7.15132496746668e-06, 9.85486201466949e-06]},
            {"name": "Olympus E-P3 iso 8000", "iso": 8000, "a": [0.000550918659775735, 0.000372167266873588, 0.00104533251833112], "b": [1.57486117564577e-05, 1.11949429779954e-05, 1.48399125020925e-05]},
            {"name": "Olympus E-P3 iso 10000", "iso": 10000, "a": [0.000813898850690959, 0.000561809727452035, 0.00150245251136926], "b": [2.3138173944301e-05, 1.64745381974565e-05, 2.11134550786376e-05]},
            {"name": "Olympus E-P3 iso 12800", "iso": 12800, "a": [0.00124589714428727, 0.000886354074331235, 0.00219189965905086], "b": [3.09863460565562e-05, 2.10625721213607e-05, 2.74646287687619e-05]}
          ]
        },
        {
          "comment": "e-p5 contributed by Šarūnas Burdulis",
          "model": "E-P5",
          "profiles": [
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            {"name": "E-P5 iso 400", "iso": 400, "a": [8.79196585693953e-06, 6.0451074490067e-06, 2.18928022664526e-05], "b": [9.2287290694546e-09, 9.24424339808321e-09, 9.3121174493834e-09]},
            {"name": "E-P5 iso 800", "iso": 800, "a": [1.72595605211618e-05, 1.20895771512538e-05, 4.01515101259297e-05], "b": [3.72871327780471e-08, 3.69904019483584e-08, 3.32124861745686e-08]},
            {"name": "E-P5 iso 1600", "iso": 1600, "a": [3.39098987943641e-05, 2.35835757482078e-05, 8.42291304562986e-05], "b": [8.41995473924947e-08, 7.96942947904391e-08, 6.15005490450759e-08]},
            {"name": "E-P5 iso 3200", "iso": 3200, "a": [6.76742155751256e-05, 4.66255556860827e-05, 0.000157537837512825], "b": [1.69784888659189e-07, 1.50553545059841e-07, 1.38433046090868e-07]},
            {"name": "E-P5 iso 6400", "iso": 6400, "a": [0.000143270663151196, 9.66580877222035e-05, 0.000202777942402011], "b": [5.19903305586228e-07, 3.88751573820206e-07, 3.97412347905325e-07]},
            {"name": "E-P5 iso 12800", "iso": 12800, "a": [0.000345614826971133, 0.000227031925496519, 0.000675223064024569], "b": [1.0309225954864e-06, 7.21940149262258e-07, 6.81182785094836e-07]},
            {"name": "E-P5 iso 25600", "iso": 25600, "a": [0.000780194779414176, 0.00048494583493821, 0.0010491083055152], "b": [4.42488280465472e-06, 3.650628183402e-06, 3.17628654862959e-06]}
          ]
        },
        {
          "comment": "e-p7 contributed by sarunas",
          "model": "E-P7",
          "profiles": [
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        {
          "comment": "olympus e-pl1 contributed by José Carlos R. Casimiro",
          "model": "E-PL1",
          "profiles": [
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          "comment": "olympus e-pl2 contributed by Urs Schutz",
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          "comment": "olympus e-pl3 contributed by Jens Steinbeisser",
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        {
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          "model": "E-PL6",
          "profiles": [
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        {
          "comment": "olympus e-pl5 contributed by Rico Wendrock",
          "model": "E-PL5",
          "profiles": [
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        {
          "comment": "olympus e-pl7 contributed by root",
          "model": "E-PL7",
          "profiles": [
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        {
          "comment": "e-pl8 contributed by toomas",
          "model": "E-PL8",
          "profiles": [
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        {
          "comment": "e-pl9 contributed by ereliai",
          "model": "E-PL9",
          "profiles": [
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            {"name": "E-PL9 iso 320", "iso": 320, "a": [8.8106218446369e-06, 4.83411034978375e-06, 1.1319579379843e-05], "b": [7.39856673565338e-09, 6.56262829373289e-09, 5.47481257986053e-09]},
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            {"name": "E-PL9 iso 1000", "iso": 1000, "a": [2.79027458658103e-05, 1.54006407677168e-05, 3.51603289112079e-05], "b": [2.19255757593882e-08, 1.51337679736826e-08, 1.85253106987548e-08]},
            {"name": "E-PL9 iso 1250", "iso": 1250, "a": [3.53466266911188e-05, 1.93740050720381e-05, 4.49375323442237e-05], "b": [2.19328101536244e-08, 1.51438548958034e-08, 1.85362481505304e-08]},
            {"name": "E-PL9 iso 1600", "iso": 1600, "a": [4.4593810340084e-05, 2.43691904023655e-05, 5.68511057342038e-05], "b": [3.92382426335188e-08, 2.99454985741869e-08, 2.9976801372651e-08]},
            {"name": "E-PL9 iso 2000", "iso": 2000, "a": [5.6017319682558e-05, 3.06298485999874e-05, 7.17659168209581e-05], "b": [4.93442425893896e-08, 3.92377270249043e-08, 3.92905169604777e-08]},
            {"name": "E-PL9 iso 2500", "iso": 2500, "a": [7.08104555247806e-05, 3.88364855007921e-05, 9.01363500872544e-05], "b": [6.7177495571036e-08, 4.54217910876624e-08, 5.53485645845662e-08]},
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            {"name": "E-PL9 iso 4000", "iso": 4000, "a": [0.000116064331928418, 6.34683036393338e-05, 0.000147553962182922], "b": [1.28430349768759e-07, 8.78447563581934e-08, 9.58328395181204e-08]},
            {"name": "E-PL9 iso 5000", "iso": 5000, "a": [0.00014959657472349, 8.21530755432814e-05, 0.000188825216493744], "b": [1.87361476841895e-07, 1.22574429767461e-07, 1.64008182275937e-07]},
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            {"name": "E-PL9 iso 16000", "iso": 16000, "a": [0.000744053674208336, 0.000427910067087691, 0.000860155134842773], "b": [8.67389943517992e-07, 7.56743515388614e-07, 7.30524680580708e-07]},
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          ]
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        {
          "comment": "olympus e-pm1, iso > 1600 is preprocessed and works suboptimally. contributed by Rodney Heyd",
          "model": "E-PM1",
          "profiles": [
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            {"name": "Olympus E-PM1 iso 320", "iso": 320, "a": [1.35215383719135e-05, 6.97337209100638e-06, 1.19251535927031e-05], "b": [2.01204609434355e-07, 1.63770013175513e-07, 2.25958058395147e-07]},
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            {"name": "Olympus E-PM1 iso 1000", "iso": 1000, "a": [4.26673909490675e-05, 2.06801406251036e-05, 3.71663646941301e-05], "b": [6.72127806461744e-07, 5.64816219862707e-07, 7.42705794590336e-07]},
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            {"name": "Olympus E-PM1 iso 1600", "iso": 1600, "a": [6.52074691615036e-05, 3.16064110161702e-05, 5.66526583972657e-05], "b": [1.50598759853095e-06, 1.2610387708201e-06, 1.55824947057983e-06]},
            {"name": "Olympus E-PM1 iso 2000", "iso": 2000, "a": [8.6100393518731e-05, 4.11674468316151e-05, 7.43486587308852e-05], "b": [2.20517892622213e-06, 1.87974673151666e-06, 2.22588245616624e-06]},
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            {"name": "Olympus E-PM1 iso 3200", "iso": 3200, "a": [0.000147198255068724, 6.99869395357261e-05, 0.000129175217047646], "b": [4.30408591639975e-06, 3.72126270409099e-06, 4.15859451736954e-06]},
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          ]
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        {
          "comment": "e-pm2 contributed by jus10",
          "model": "E-PM2",
          "profiles": [
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            {"name": "E-PM2 iso 250", "iso": 250, "a": [7.96208019499648e-06, 4.13742065989976e-06, 1.07688105219466e-05], "b": [1.60860948306174e-08, 1.11405383333141e-08, 2.65540736827734e-08]},
            {"name": "E-PM2 iso 320", "iso": 320, "a": [9.98649481944656e-06, 5.22351057281616e-06, 1.40117249064355e-05], "b": [2.18634945172153e-08, 1.94844197172106e-08, 3.02124250436831e-08]},
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            {"name": "E-PM2 iso 800", "iso": 800, "a": [2.47691660556488e-05, 1.31334080500138e-05, 3.46249984641081e-05], "b": [5.09084796119942e-08, 2.84857982781017e-08, 6.89964695810077e-08]},
            {"name": "E-PM2 iso 1000", "iso": 1000, "a": [3.04823174248449e-05, 1.60410153220596e-05, 4.27559145892132e-05], "b": [5.25506510997649e-08, 4.72998947747651e-08, 1.0555931683475e-07]},
            {"name": "E-PM2 iso 1250", "iso": 1250, "a": [3.87450543857026e-05, 2.03948954803963e-05, 5.44157895934124e-05], "b": [6.24134274627166e-08, 5.87717375880586e-08, 1.40901369441057e-07]},
            {"name": "E-PM2 iso 1600", "iso": 1600, "a": [4.91020928933339e-05, 2.590027506241e-05, 6.91968640228541e-05], "b": [8.35488849558302e-08, 8.40720718761059e-08, 1.91368944780754e-07]},
            {"name": "E-PM2 iso 2000", "iso": 2000, "a": [6.22739690615603e-05, 3.30233237378103e-05, 8.78498193911412e-05], "b": [1.08693245649364e-07, 1.09592715118491e-07, 2.6778616539905e-07]},
            {"name": "E-PM2 iso 2500", "iso": 2500, "a": [7.85655626316889e-05, 4.1244070199053e-05, 0.000110694786529146], "b": [1.92347947569524e-07, 1.57584779269588e-07, 3.37481575247699e-07]},
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            {"name": "E-PM2 iso 4000", "iso": 4000, "a": [0.000126355289035017, 6.57850331708993e-05, 0.000178366672406672], "b": [4.66159343311493e-07, 4.15354863543532e-07, 6.13202301464916e-07]},
            {"name": "E-PM2 iso 5000", "iso": 5000, "a": [0.000158743172918478, 8.30904580078849e-05, 0.000223517454436979], "b": [7.07167961446325e-07, 5.9614645761402e-07, 8.78455786630091e-07]},
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            {"name": "E-PM2 iso 8000", "iso": 8000, "a": [0.000248395431035001, 0.000127379978284694, 0.000370401565158133], "b": [1.25755326914943e-06, 1.36723102991089e-06, 9.20749879928615e-07]},
            {"name": "E-PM2 iso 10000", "iso": 10000, "a": [0.000319415088268893, 0.000160434354006209, 0.000477516924682347], "b": [1.68752795335256e-06, 1.94805331573133e-06, 1.2114083568632e-06]},
            {"name": "E-PM2 iso 12800", "iso": 12800, "a": [0.000397857266942457, 0.000198674243873453, 0.000599604996216196], "b": [2.68886648924612e-06, 3.19650965624349e-06, 1.84540311251897e-06]},
            {"name": "E-PM2 iso 16000", "iso": 16000, "a": [0.000519588081309237, 0.000258644194548998, 0.000791197339499262], "b": [3.63295323929529e-06, 4.26034263544308e-06, 2.38364257371101e-06]},
            {"name": "E-PM2 iso 20000", "iso": 20000, "a": [0.000695680501925479, 0.000346860510497732, 0.00103565274920695], "b": [4.9370648089304e-06, 5.77445428901944e-06, 3.36204732730466e-06]},
            {"name": "E-PM2 iso 25600", "iso": 25600, "a": [0.000951829070819717, 0.000480740112060594, 0.00137943259475544], "b": [6.6069466142896e-06, 7.5036032956616e-06, 4.60056236338553e-06]}
          ]
        },
        {
          "comment": "tg-4 contributed by Ralf Brown",
          "model": "TG-4",
          "profiles": [
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          "comment": "olympus xz-1 contributed by Jon Leighton",
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        {
          "comment": "e-m10markii contributed by beedaddy",
          "model": "E-M10 Mark II",
          "profiles": [
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          "comment": "e-m10 mark iii contributed by duncan",
          "model": "E-M10 Mark III",
          "profiles": [
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          "comment": "Olympus OM-D E-M1 Mk.II profiled by Dawid Loubser (dawid.loubser@ibi.co.za)",
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          "model": "E-M1MarkIII",
          "profiles": [
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        {
          "comment": "dc-gx9 contributed by corentin",
          "model": "DC-GX9",
          "profiles": [
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            {"name": "DC-GX9 iso 1600", "iso": 1600, "a": [9.52438954912882e-05, 3.72207937055623e-05, 6.97165407052851e-05], "b": [7.91437911402437e-08, 6.78778476345859e-08, 7.43835196251376e-08]},
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            {"name": "DC-GX9 iso 4000", "iso": 4000, "a": [0.000236640854447589, 9.31018340547325e-05, 0.000171747526303683], "b": [2.62319833284028e-07, 2.80118820253517e-07, 2.74233569110674e-07]},
            {"name": "DC-GX9 iso 5000", "iso": 5000, "a": [0.000294230783344918, 0.000116908787990491, 0.00021767717209245], "b": [3.25762744395819e-07, 3.40481430936998e-07, 3.30211325475655e-07]},
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            {"name": "DC-GX9 iso 25600", "iso": 25600, "a": [0.000745063499514997, 0.000300467303804628, 0.000554132687689208], "b": [1.00117622455606e-06, 1.41416865519005e-06, 1.21009854266731e-06]}
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        {
          "comment": "dc-gx800 aka dc-gx850 aka dc-gf9 contributed by christian",
          "model": "DC-GF9",
          "profiles": [
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            {"name": "DC-GF9 iso 200", "iso": 200, "a": [1.50015674109335e-05, 5.50497521025816e-06, 9.16866802704804e-06], "b": [8.84265610205379e-09, 8.81359720360228e-09, 1.04239640698532e-08]},
            {"name": "DC-GF9 iso 400", "iso": 400, "a": [2.97736047951578e-05, 1.0857165501315e-05, 1.80977103224555e-05], "b": [1.12978660346981e-08, 1.5625112436573e-08, 1.96526468501572e-08]},
            {"name": "DC-GF9 iso 800", "iso": 800, "a": [5.84202609760504e-05, 2.1400391483641e-05, 3.56408673350305e-05], "b": [2.36199374296278e-08, 3.24363883160909e-08, 3.35201222300374e-08]},
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        {
          "comment": "dmc-fz35 contributed by joseph",
          "model": "DMC-FZ35",
          "profiles": [
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        {
          "comment": "dmc-fz200 contributed by benjamin",
          "model": "DMC-FZ200",
          "profiles": [
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            {"name": "DMC-FZ200 iso 2000", "iso": 2000, "a": [0.000832943754038066, 0.000380690446383347, 0.000739274110615239], "b": [2.64114409069431e-06, 3.71755259931884e-06, 3.25078794515805e-06]},
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            {"name": "DMC-FZ200 iso 5000", "iso": 5000, "a": [0.00213829163640642, 0.00106001962141323, 0.00194477423429583], "b": [5.68282181904528e-06, 7.1327681891353e-06, 6.51406699354531e-06]},
            {"name": "DMC-FZ200 iso 6400", "iso": 6400, "a": [0.00282090944895829, 0.00146004344332525, 0.00258040794166985], "b": [1.00172110338205e-05, 1.28476885952693e-05, 1.12623532269612e-05]}
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        {
          "comment": "dmc-fz300 contributed by thoren",
          "model": "DMC-FZ300",
          "profiles": [
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            {"name": "DMC-FZ300 iso 200", "iso": 200, "a": [3.57885249706098e-05, 2.99360457403727e-05, 0.000115267624621835], "b": [1.95576399918717e-07, 1.1396014646257e-07, 1.39945459100679e-07]},
            {"name": "DMC-FZ300 iso 400", "iso": 400, "a": [7.06877799945824e-05, 5.87828711135341e-05, 0.000227976720990628], "b": [4.53441865184594e-07, 2.87134893058008e-07, 2.78991843078341e-07]},
            {"name": "DMC-FZ300 iso 800", "iso": 800, "a": [0.000142135307280803, 0.000117902519143604, 0.000457212087097052], "b": [1.07382476566784e-06, 7.61250557142076e-07, 5.36209980805227e-07]},
            {"name": "DMC-FZ300 iso 1600", "iso": 1600, "a": [0.000287707123150274, 0.000237927656354823, 0.000912820705756715], "b": [2.66068038189175e-06, 2.12605952265336e-06, 1.02429021935989e-06]},
            {"name": "DMC-FZ300 iso 3200", "iso": 3200, "a": [0.000618784085672603, 0.000515923518678974, 0.00176829947171467], "b": [7.2366103716028e-06, 5.58873443714946e-06, 2.34639956670261e-06]},
            {"name": "DMC-FZ300 iso 6400", "iso": 6400, "a": [0.000699844253930234, 0.000592142307371188, 0.00170234413263587], "b": [5.18523310010263e-06, 3.91291260483886e-06, 2.25261406894116e-06]}
          ]
        },
        {
          "comment": "dmc-fz330 is the same as dmc-fz300",
          "model": "DMC-FZ330",
          "profiles": [
            {"name": "DMC-FZ330 iso 100", "iso": 100, "a": [1.85543767794374e-05, 1.57600379842119e-05, 5.96528274779261e-05], "b": [8.60753365702234e-08, 3.72546214445458e-08, 5.68369441388337e-08]},
            {"name": "DMC-FZ330 iso 200", "iso": 200, "a": [3.57885249706098e-05, 2.99360457403727e-05, 0.000115267624621835], "b": [1.95576399918717e-07, 1.1396014646257e-07, 1.39945459100679e-07]},
            {"name": "DMC-FZ330 iso 400", "iso": 400, "a": [7.06877799945824e-05, 5.87828711135341e-05, 0.000227976720990628], "b": [4.53441865184594e-07, 2.87134893058008e-07, 2.78991843078341e-07]},
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        {
          "comment": "dmc-lf1 contributed by Edgardo Hoszowski ",
          "model": "DMC-LF1",
          "profiles": [
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        {
          "comment": "panasonic dmc-fz18, contributed by sergey",
          "model": "DMC-FZ18",
          "profiles": [
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        {
          "comment": "pana g10 by sergej nikolaev. very noisy variance estimates, fits surprisingly good, variance stabilization goes up to ~3 near zero.",
          "model": "DMC-G10",
          "profiles": [
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        {
          "comment": "panasonic dmc-g2, contributed by bruce albert, blue is off",
          "model": "DMC-G2",
          "profiles": [
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        {
          "comment": "panasonic g3 contributed by thouks, red broken",
          "model": "DMC-G3",
          "profiles": [
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          ]
        },
        {
          "comment": "panasonic g5 contributed by thouks, blue broken",
          "model": "DMC-G5",
          "profiles": [
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        },
        {
          "comment": "pana dmc g6 by Bernhard Kappler",
          "model": "DMC-G6",
          "profiles": [
            {"name": "Panasonic DMC-G6 iso 160", "iso": 160, "a": [1.5780915021662e-05, 7.01399292273453e-06, 1.43466313906541e-05], "b": [2.54138527680568e-08, 2.57559637129589e-08, 5.11460792038577e-08]},
            {"name": "Panasonic DMC-G6 iso 200", "iso": 200, "a": [1.92518611805957e-05, 8.56153731056309e-06, 1.73556219887831e-05], "b": [4.08240710566109e-08, 3.98591492889263e-08, 7.13669736529514e-08]},
            {"name": "Panasonic DMC-G6 iso 400", "iso": 400, "a": [3.56208282151563e-05, 1.61151466614279e-05, 3.25553110358377e-05], "b": [9.96001197914379e-08, 8.82898512800543e-08, 1.4941317196432e-07]},
            {"name": "Panasonic DMC-G6 iso 800", "iso": 800, "a": [6.77962109251139e-05, 3.09823524010034e-05, 6.26623411901002e-05], "b": [2.63264005848084e-07, 2.13373297010619e-07, 3.32061859281897e-07]},
            {"name": "Panasonic DMC-G6 iso 1600", "iso": 1600, "a": [0.000134043892901807, 6.16940170822923e-05, 0.000127082551476612], "b": [6.49001726475163e-07, 5.54762345272061e-07, 7.86490481805828e-07]},
            {"name": "Panasonic DMC-G6 iso 3200", "iso": 3200, "a": [0.000275609481248173, 0.0001274826185927, 0.000263650444992015], "b": [1.56920413696794e-06, 1.50604002289925e-06, 1.83623798715862e-06]},
            {"name": "Panasonic DMC-G6 iso 6400", "iso": 6400, "a": [0.000599035976280823, 0.000294622004241837, 0.000618861540386321], "b": [3.84546943020711e-06, 4.35027867756884e-06, 4.7608577337749e-06]},
            {"name": "Panasonic DMC-G6 iso 12800", "iso": 12800, "a": [0.00129388820073503, 0.000713954935442586, 0.0014658462258173], "b": [8.85082998557482e-06, 1.12352282775213e-05, 1.14587301942128e-05]},
            {"name": "Panasonic DMC-G6 iso 25600", "iso": 25600, "a": [0.0026309817767123, 0.00192487521752666, 0.00350465203783809], "b": [2.77535707799781e-05, 3.03814976958121e-05, 3.11503049891723e-05]}
          ]
        },
        {
          "comment": "dmc-g7 contributed by Brune Wayce",
          "model": "DMC-G7",
          "profiles": [
            {"name": "DMC-G7 iso 100", "iso": 100, "a": [4.14285110463085e-06, 5.08392800542955e-06, 1.06079715195554e-05], "b": [8.83379302440538e-09, 7.69847791588426e-09, 9.17354047017505e-09]},
            {"name": "DMC-G7 iso 125", "iso": 125, "a": [5.22921425744663e-06, 3.47768941656548e-06, 1.48276489712906e-05], "b": [8.84332922864141e-09, 8.79753987562123e-09, 8.90481210322735e-09]},
            {"name": "DMC-G7 iso 160", "iso": 160, "a": [6.6779744834527e-06, 4.44186914460309e-06, 8.51440929186662e-06], "b": [1.36816016184071e-08, 8.66377216959505e-09, 1.68792149673389e-08]},
            {"name": "DMC-G7 iso 200", "iso": 200, "a": [8.32609484996026e-06, 5.58433966004538e-06, 8.17117606047157e-06], "b": [1.66327123895839e-08, 1.34249969976764e-08, 1.82329918858602e-08]},
            {"name": "DMC-G7 iso 250", "iso": 250, "a": [1.04968590698042e-05, 6.92626358690428e-06, 7.79927463372086e-06], "b": [1.98859216300417e-08, 1.95028454768117e-08, 2.63645578105661e-08]},
            {"name": "DMC-G7 iso 320", "iso": 320, "a": [1.33702599291925e-05, 8.77688903251216e-06, 8.2253212139799e-06], "b": [2.69048355711694e-08, 2.63558047354328e-08, 3.18541664538073e-08]},
            {"name": "DMC-G7 iso 400", "iso": 400, "a": [1.65241950124198e-05, 1.09908998032314e-05, 9.7540312800839e-06], "b": [3.53380961936161e-08, 2.64574635981388e-08, 3.77442901709038e-08]},
            {"name": "DMC-G7 iso 500", "iso": 500, "a": [2.054227295141e-05, 1.37761184308315e-05, 1.21337485576123e-05], "b": [3.96313819997385e-08, 3.51700948626266e-08, 4.88961290060997e-08]},
            {"name": "DMC-G7 iso 640", "iso": 640, "a": [2.62303924343454e-05, 1.72070170896621e-05, 1.51349702784615e-05], "b": [4.97211891984082e-08, 4.40411593421803e-08, 5.65493948164927e-08]},
            {"name": "DMC-G7 iso 800", "iso": 800, "a": [3.28953218924797e-05, 2.14577165456492e-05, 1.89315046151994e-05], "b": [6.65763473789031e-08, 5.38903047823297e-08, 7.0921950217432e-08]},
            {"name": "DMC-G7 iso 1000", "iso": 1000, "a": [4.12592754877405e-05, 2.69213759464158e-05, 2.35409708989908e-05], "b": [7.90162914811908e-08, 7.765215070425e-08, 8.72800306104425e-08]},
            {"name": "DMC-G7 iso 1250", "iso": 1250, "a": [5.26192184870888e-05, 3.42125222999937e-05, 2.9666170641236e-05], "b": [9.31982680550967e-08, 9.24688725837054e-08, 1.12344002318544e-07]},
            {"name": "DMC-G7 iso 1600", "iso": 1600, "a": [6.59963413360134e-05, 4.26840507430695e-05, 3.6694483105026e-05], "b": [1.24199723043055e-07, 1.23865096652313e-07, 1.43587555794963e-07]},
            {"name": "DMC-G7 iso 2000", "iso": 2000, "a": [8.33016256324238e-05, 5.39817326227901e-05, 4.59287287310128e-05], "b": [1.5025023610359e-07, 1.59314796930338e-07, 1.78885613613124e-07]},
            {"name": "DMC-G7 iso 2500", "iso": 2500, "a": [0.000106439136433591, 6.83013345900951e-05, 5.76520776742834e-05], "b": [1.88994099760442e-07, 1.98570707868781e-07, 2.30061677432095e-07]},
            {"name": "DMC-G7 iso 3200", "iso": 3200, "a": [0.000134119003899046, 8.57011939989951e-05, 7.19292638367358e-05], "b": [2.2153718641137e-07, 2.2505440739792e-07, 2.82074300837133e-07]},
            {"name": "DMC-G7 iso 4000", "iso": 4000, "a": [0.000168652048304528, 0.000107108854693633, 8.8284554542789e-05], "b": [2.82044895452786e-07, 2.93713710976522e-07, 3.5663090215074e-07]},
            {"name": "DMC-G7 iso 5000", "iso": 5000, "a": [0.000212679516804762, 0.000133995449104811, 0.000110164974169606], "b": [3.51893454490362e-07, 3.50331600017946e-07, 4.88422671637778e-07]},
            {"name": "DMC-G7 iso 6400", "iso": 6400, "a": [0.000268512884224906, 0.000169243339000989, 0.000138515414157339], "b": [4.53035520956081e-07, 4.61700247936612e-07, 6.52456713740209e-07]},
            {"name": "DMC-G7 iso 8000", "iso": 8000, "a": [0.000347496894672886, 0.000218037985426146, 0.000174204187739177], "b": [5.89304921209192e-07, 5.90292740799026e-07, 8.53905659055699e-07]},
            {"name": "DMC-G7 iso 10000", "iso": 10000, "a": [0.000437989084371634, 0.000271665654654508, 0.000214775928008176], "b": [7.04049762966294e-07, 7.93445545994614e-07, 1.22592656459329e-06]},
            {"name": "DMC-G7 iso 12800", "iso": 12800, "a": [0.000557154125057908, 0.000339430368259723, 0.000269155365990723], "b": [9.67653327157297e-07, 9.6873783683611e-07, 1.76077351391906e-06]},
            {"name": "DMC-G7 iso 16000", "iso": 16000, "a": [0.000729237799189713, 0.000442243874025069, 0.000341113312766246], "b": [1.27247917982547e-06, 1.24464872636741e-06, 2.52084277406665e-06]},
            {"name": "DMC-G7 iso 20000", "iso": 20000, "a": [0.000932021659790602, 0.000559208203498475, 0.000421983508891334], "b": [1.8156836455047e-06, 1.75243409378314e-06, 3.88649130804095e-06]},
            {"name": "DMC-G7 iso 25600", "iso": 25600, "a": [0.0011970364448012, 0.000709277213093577, 0.00053519563148529], "b": [2.5530559338506e-06, 2.58843398197405e-06, 5.90796558627605e-06]}
          ]
        },
        {
          "comment": "dmc-g8 contributed by as",
          "model": "DMC-G8",
          "profiles": [
            {"name": "DMC-G8 iso 200", "iso": 200, "a": [1.6457885148753e-05, 5.96407355097963e-06, 9.0036018874022e-06], "b": [3.50469964133529e-08, 1.53267206735327e-08, 2.37633399119783e-08]},
            {"name": "DMC-G8 iso 400", "iso": 400, "a": [3.31817995594323e-05, 1.1756275157502e-05, 1.7795927337668e-05], "b": [7.59289312318232e-08, 3.52189151777391e-08, 3.45945299607183e-08]},
            {"name": "DMC-G8 iso 800", "iso": 800, "a": [6.55153122602083e-05, 2.31841377474864e-05, 3.48660115771231e-05], "b": [1.38384299200962e-07, 6.22149442333737e-08, 7.87586979269962e-08]},
            {"name": "DMC-G8 iso 1600", "iso": 1600, "a": [0.000130048658199807, 4.57894366171757e-05, 6.90992255886897e-05], "b": [2.52416116091354e-07, 1.63113908327874e-07, 2.43274092030178e-07]},
            {"name": "DMC-G8 iso 3200", "iso": 3200, "a": [0.000252268448728312, 9.24705957146163e-05, 0.000141188432637081], "b": [4.41621694823397e-07, 4.02991331518758e-07, 5.38392425367706e-07]},
            {"name": "DMC-G8 iso 6400", "iso": 6400, "a": [0.000486594259861383, 0.000185154374251947, 0.000287201316879052], "b": [8.24167471489144e-07, 1.05002062552056e-06, 1.05206698242533e-06]},
            {"name": "DMC-G8 iso 12800", "iso": 12800, "a": [0.00096229982632846, 0.000376215738555015, 0.000589341340009131], "b": [1.77849331305634e-06, 2.55942685498344e-06, 2.24938188971766e-06]},
            {"name": "DMC-G8 iso 25600", "iso": 25600, "a": [0.00187466824521233, 0.000770899026247474, 0.00122484883361645], "b": [4.21839829193094e-06, 5.77590593376944e-06, 5.00155235192097e-06]}
          ]
        },
        {
          "comment": "panasonic gf1 by nicolas dade",
          "model": "DMC-GF1",
          "profiles": [
            {"name": "Panasonic DMC-GF1 iso 100", "iso": 100, "a": [1.04535552878391e-05, 5.45502496125567e-06, 1.07671264778553e-05], "b": [7.58430227413935e-08, 8.86517305345379e-08, 1.04792248085416e-07]},
            {"name": "Panasonic DMC-GF1 iso 125", "iso": 125, "a": [1.33660974945872e-05, 7.43883491244048e-06, 1.41955834296851e-05], "b": [1.02720919579337e-07, -7.21874380860034e-09, 6.71210829756692e-08]},
            {"name": "Panasonic DMC-GF1 iso 160", "iso": 160, "a": [1.74145881201241e-05, 9.41928662795895e-06, 1.82042031627369e-05], "b": [8.88810318020993e-08, 6.96077756208576e-09, 9.81876530240034e-08]},
            {"name": "Panasonic DMC-GF1 iso 200", "iso": 200, "a": [1.97311801234147e-05, 1.03300818158606e-05, 2.03761898239435e-05], "b": [2.06878280289234e-07, 1.98222728988268e-07, 2.29428716199233e-07]},
            {"name": "Panasonic DMC-GF1 iso 250", "iso": 250, "a": [2.54496751221709e-05, 1.31956906919831e-05, 2.6118224824588e-05], "b": [2.16870617764627e-07, 2.04506487500374e-07, 2.53208588554574e-07]},
            {"name": "Panasonic DMC-GF1 iso 320", "iso": 320, "a": [3.20514144136813e-05, 1.67024861309939e-05, 3.29933136679525e-05], "b": [3.47563109674808e-07, 3.57730621126532e-07, 4.77842470428686e-07]},
            {"name": "Panasonic DMC-GF1 iso 400", "iso": 400, "a": [5.15947042393052e-05, 2.12991160119356e-05, 2.81727213865324e-05], "b": [5.41617295850964e-07, 3.96071156252656e-07, 6.01052759326755e-07]},
            {"name": "Panasonic DMC-GF1 iso 500", "iso": 500, "a": [6.29447239666803e-05, 2.67055882766265e-05, 3.58784545544703e-05], "b": [1.05684487186229e-06, 6.61518637141707e-07, 7.32572957408507e-07]},
            {"name": "Panasonic DMC-GF1 iso 640", "iso": 640, "a": [7.71256683840778e-05, 3.33200936565624e-05, 4.57790695089905e-05], "b": [1.79592304221405e-06, 1.09678784347683e-06, 1.06564986116275e-06]},
            {"name": "Panasonic DMC-GF1 iso 800", "iso": 800, "a": [0.000100921487755147, 4.51435026810075e-05, 6.0109237810212e-05], "b": [2.61452929378619e-06, 1.40832279354645e-06, 1.79553574612207e-06]},
            {"name": "Panasonic DMC-GF1 iso 1000", "iso": 1000, "a": [0.000136412761454267, 5.63694706153799e-05, 7.31438579488359e-05], "b": [3.24969700964785e-06, 2.31940240020084e-06, 3.26032669822112e-06]},
            {"name": "Panasonic DMC-GF1 iso 1250", "iso": 1250, "a": [0.00016525459872769, 7.08134943673697e-05, 9.47210128360164e-05], "b": [5.71739603396868e-06, 4.02191357158404e-06, 5.02841512874366e-06]},
            {"name": "Panasonic DMC-GF1 iso 1600", "iso": 1600, "a": [0.000212242436366194, 8.78138515170234e-05, 0.000121981542076272], "b": [8.60819610760796e-06, 6.73642784685995e-06, 7.36798440146139e-06]},
            {"name": "Panasonic DMC-GF1 iso 2000", "iso": 2000, "a": [0.000279968929974892, 0.000112178542367875, 0.000148489328185495], "b": [1.20184023109914e-05, 1.00672262333492e-05, 1.26152441721689e-05]},
            {"name": "Panasonic DMC-GF1 iso 2500", "iso": 2500, "a": [0.000342545378996356, 0.000139708669207157, 0.000188959354218091], "b": [1.93105681190276e-05, 1.66479338346392e-05, 1.96441195845495e-05]},
            {"name": "Panasonic DMC-GF1 iso 3200", "iso": 3200, "a": [0.000456941650563597, 0.000175563573427286, 0.000244623340362466], "b": [2.78449350381569e-05, 2.7250348714179e-05, 3.00689556113699e-05]}
          ]
        },
        {
          "comment": "panasonic dmc gf3 by richard isted, iso 3200 and 6400 are pre-processed in camera and results are suboptimal there. rest is fine.",
          "model": "DMC-GF3",
          "profiles": [
            {"name": "Panasonic DMC-GF3 iso 160", "iso": 160, "a": [2.02350626237294e-05, 8.65976784270689e-06, 1.34218258146732e-05], "b": [9.51454227507865e-08, 7.32022307137317e-08, 9.53154888380488e-08]},
            {"name": "Panasonic DMC-GF3 iso 200", "iso": 200, "a": [2.41648195440764e-05, 1.07312437413445e-05, 1.60582742985123e-05], "b": [9.74146050355725e-08, 7.8434776175889e-08, 9.70457615429697e-08]},
            {"name": "Panasonic DMC-GF3 iso 400", "iso": 400, "a": [4.52387882934033e-05, 1.98511037697891e-05, 2.99799553466259e-05], "b": [2.14679901847439e-07, 1.60523661664973e-07, 2.14794692825462e-07]},
            {"name": "Panasonic DMC-GF3 iso 800", "iso": 800, "a": [9.38257088021957e-05, 4.1623647930152e-05, 6.43000694373224e-05], "b": [6.34491520117409e-07, 4.82178892207265e-07, 6.35731046236163e-07]},
            {"name": "Panasonic DMC-GF3 iso 800", "iso": 800, "a": [9.36040424136415e-05, 4.14476287957258e-05, 6.374263337856e-05], "b": [6.13383691659087e-07, 4.52173305765121e-07, 6.15614674152588e-07]},
            {"name": "Panasonic DMC-GF3 iso 1600", "iso": 1600, "a": [0.000210363139417169, 9.19276975500467e-05, 0.00014819446226543], "b": [1.90724176686859e-06, 1.43695817501097e-06, 1.93171690573701e-06]},
            {"name": "Panasonic DMC-GF3 iso 3200", "iso": 3200, "a": [0.000529516578912191, 0.000238051867665224, 0.000408511059682062], "b": [5.60100338551534e-06, 4.20384956256743e-06, 5.65252949327065e-06]},
            {"name": "Panasonic DMC-GF3 iso 6400", "iso": 6400, "a": [0.001413516477831, 0.000775993642726022, 0.00128681546589859], "b": [1.57217158415014e-05, 1.28106429144672e-05, 1.51128183789506e-05]}
          ]
        },
        {
          "comment": "dmc-gf6 contributed by alex",
          "model": "DMC-GF6",
          "profiles": [
            {"name": "DMC-GF6 iso 160", "iso": 160, "a": [2.14545724466045e-05, 7.47259092815115e-06, 1.3601247035922e-05], "b": [1.1826295600112e-07, 1.16938969612567e-07, 1.20445211751079e-07]},
            {"name": "DMC-GF6 iso 200", "iso": 200, "a": [2.71244575950651e-05, 9.6516869965797e-06, 1.75877613736803e-05], "b": [1.58290300033989e-07, 1.63261023887712e-07, 1.69752471436781e-07]},
            {"name": "DMC-GF6 iso 250", "iso": 250, "a": [3.56408508407724e-05, 1.21896223402181e-05, 2.07563141903689e-05], "b": [1.05971529971183e-07, 9.53811700682901e-08, 1.01013428960155e-07]},
            {"name": "DMC-GF6 iso 320", "iso": 320, "a": [3.94803615716799e-05, 1.4369580201903e-05, 2.5048289444948e-05], "b": [1.68429083265015e-07, 1.45472205862818e-07, 1.72009020405348e-07]},
            {"name": "DMC-GF6 iso 400", "iso": 400, "a": [5.24356632168802e-05, 1.86408868521126e-05, 3.2937973907218e-05], "b": [1.74895930790029e-07, 1.84810591498041e-07, 1.8832853369418e-07]},
            {"name": "DMC-GF6 iso 500", "iso": 500, "a": [7.51448490887979e-05, 2.5053317399603e-05, 4.06046066600393e-05], "b": [1.39410824122171e-07, 1.30916234016172e-07, 1.46465025182102e-07]},
            {"name": "DMC-GF6 iso 640", "iso": 640, "a": [8.02394374646735e-05, 2.82857812143087e-05, 5.02378806532643e-05], "b": [2.08485665446765e-07, 2.03561685200436e-07, 2.12177546524658e-07]},
            {"name": "DMC-GF6 iso 800", "iso": 800, "a": [0.000100528077607965, 3.5828709656902e-05, 6.41514775942801e-05], "b": [2.71885306524999e-07, 2.71667433139521e-07, 2.84996858026829e-07]},
            {"name": "DMC-GF6 iso 1000", "iso": 1000, "a": [0.000135417154687912, 4.73296279706002e-05, 8.00147846619014e-05], "b": [2.39698616993165e-07, 2.30445367120731e-07, 2.5158834157675e-07]},
            {"name": "DMC-GF6 iso 1250", "iso": 1250, "a": [0.0001605440125963, 5.77027738302261e-05, 0.000102727814333225], "b": [3.1903193827905e-07, 3.1356156510064e-07, 3.35650936496313e-07]},
            {"name": "DMC-GF6 iso 1600", "iso": 1600, "a": [0.000198850096638317, 7.32891759218452e-05, 0.000132199485289729], "b": [4.25328703206484e-07, 4.46688780580497e-07, 4.63603266480287e-07]},
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        {
          "comment": "dmc-gm1 by thokster",
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            {"name": "DMC-GM1 iso 1600", "iso": 1600, "a": [0.000125338880598504, 4.65662219766677e-05, 7.70962207986323e-05], "b": [1.68374151322925e-07, 1.30913447717618e-07, 2.97244381537983e-07]},
            {"name": "DMC-GM1 iso 3200", "iso": 3200, "a": [0.000245622043463519, 9.20237655059064e-05, 0.000151991555060464], "b": [4.63772511569562e-07, 3.80060674430949e-07, 7.1730687258219e-07]},
            {"name": "DMC-GM1 iso 6400", "iso": 6400, "a": [0.000488643992819912, 0.0001836150866073, 0.000305410802380559], "b": [1.13921526502568e-06, 1.03656814260882e-06, 1.53116020449575e-06]},
            {"name": "DMC-GM1 iso 12800", "iso": 12800, "a": [0.000973787756382622, 0.000373067575956284, 0.000621315437814162], "b": [2.4885517845698e-06, 2.66995285897356e-06, 3.35538439020585e-06]},
            {"name": "DMC-GM1 iso 25600", "iso": 25600, "a": [0.00185903163702921, 0.000759385279460093, 0.00124088840004957], "b": [4.63004962492069e-06, 6.18492554738651e-06, 6.81248796869435e-06]}
          ]
        },
        {
          "comment": "dmc-gm5 contributed by axel burri",
          "model": "DMC-GM5",
          "profiles": [
            {"name": "DMC-GM5 iso 100", "iso": 100, "a": [1.1735387786346e-05, 6.67925095359551e-06, 4.40278039194646e-06], "b": [2.74152943144289e-09, -1.71701901629306e-08, 9.58453445623621e-09]},
            {"name": "DMC-GM5 iso 125", "iso": 125, "a": [1.33194054576758e-05, 7.80167504214155e-06, 5.46867761082465e-06], "b": [7.80556400559517e-09, -1.65879426677783e-08, 1.30158437633488e-08]},
            {"name": "DMC-GM5 iso 160", "iso": 160, "a": [1.50944755451315e-05, 4.70512381777582e-06, 7.1131829040523e-06], "b": [1.26478386219877e-08, 7.82791541257267e-09, 1.40047691027481e-08]},
            {"name": "DMC-GM5 iso 200", "iso": 200, "a": [1.79258372424545e-05, 5.98569541070956e-06, 9.07009962412825e-06], "b": [2.04512508740762e-08, 7.54982101933648e-09, 1.66708905873176e-08]},
            {"name": "DMC-GM5 iso 250", "iso": 250, "a": [2.32874586568677e-05, 7.55535817569747e-06, 1.13930401778887e-05], "b": [1.91661303648261e-08, 9.94369494534954e-09, 1.90953683463744e-08]},
            {"name": "DMC-GM5 iso 320", "iso": 320, "a": [2.81949975717974e-05, 9.44738882355428e-06, 1.42773340335396e-05], "b": [2.64927786936445e-08, 1.45288312978736e-08, 2.50215938143194e-08]},
            {"name": "DMC-GM5 iso 400", "iso": 400, "a": [3.54330985820374e-05, 1.19488984685471e-05, 1.81207966728394e-05], "b": [3.61185270799094e-08, 1.97977038584034e-08, 3.34158338909626e-08]},
            {"name": "DMC-GM5 iso 500", "iso": 500, "a": [4.58577185538044e-05, 1.50098095372445e-05, 2.27908265683296e-05], "b": [4.38855106139531e-08, 2.48414618932049e-08, 4.21855478684972e-08]},
            {"name": "DMC-GM5 iso 640", "iso": 640, "a": [5.76269533280549e-05, 1.86879278159172e-05, 2.87998195628025e-05], "b": [5.5436547735122e-08, 3.30520766588645e-08, 5.80179470603992e-08]},
            {"name": "DMC-GM5 iso 800", "iso": 800, "a": [7.63252615670042e-05, 2.40205470922701e-05, 3.65838051190079e-05], "b": [7.72733095901636e-08, 4.79922651636876e-08, 7.36316644738619e-08]},
            {"name": "DMC-GM5 iso 1000", "iso": 1000, "a": [8.87773124549111e-05, 2.92035936638492e-05, 4.448811042731e-05], "b": [1.425026043185e-07, 1.05946357625115e-07, 1.54376012516785e-07]},
            {"name": "DMC-GM5 iso 1250", "iso": 1250, "a": [0.000112641758182363, 3.66424833559425e-05, 5.57344064685949e-05], "b": [1.82504913464801e-07, 1.35518013132629e-07, 1.78119289626083e-07]},
            {"name": "DMC-GM5 iso 1600", "iso": 1600, "a": [0.00014308422678376, 4.58670615837106e-05, 6.95679289993181e-05], "b": [2.12395849994294e-07, 1.42055587728644e-07, 2.10116325926064e-07]},
            {"name": "DMC-GM5 iso 2000", "iso": 2000, "a": [0.000173953619499031, 5.81115467076551e-05, 8.91072756087719e-05], "b": [3.17411229939576e-07, 1.84978599885737e-07, 2.78547014070168e-07]},
            {"name": "DMC-GM5 iso 2500", "iso": 2500, "a": [0.000216922505198117, 7.41529119343765e-05, 0.000113378890671519], "b": [3.75166873913828e-07, 2.39807928949452e-07, 3.84223655271565e-07]},
            {"name": "DMC-GM5 iso 3200", "iso": 3200, "a": [0.000281299721412659, 9.30619512281196e-05, 0.000141870019398896], "b": [4.26507263501978e-07, 2.63144259205916e-07, 4.50534104495407e-07]},
            {"name": "DMC-GM5 iso 4000", "iso": 4000, "a": [0.00034978818823416, 0.000118804291506996, 0.000186453603193902], "b": [5.95268249560796e-07, 3.84221562109169e-07, 5.72847920271166e-07]},
            {"name": "DMC-GM5 iso 5000", "iso": 5000, "a": [0.000452713568956184, 0.000156104380684282, 0.000244405505912521], "b": [8.05731906743719e-07, 5.45764973268047e-07, 7.94611203903955e-07]},
            {"name": "DMC-GM5 iso 6400", "iso": 6400, "a": [0.000548027270937281, 0.000200523457652031, 0.000309844755129133], "b": [1.14125258862432e-06, 7.44532953213683e-07, 1.09496572688426e-06]},
            {"name": "DMC-GM5 iso 8000", "iso": 8000, "a": [0.000720543369108348, 0.00024702697941894, 0.000387883658001341], "b": [1.296481249874e-06, 9.45096432202135e-07, 1.28254495093408e-06]},
            {"name": "DMC-GM5 iso 10000", "iso": 10000, "a": [0.000941599026106712, 0.000306447919019066, 0.000479780478374577], "b": [1.43675495788137e-06, 1.17563382046809e-06, 1.52249808091308e-06]},
            {"name": "DMC-GM5 iso 12800", "iso": 12800, "a": [0.00124421014629165, 0.000409865998748818, 0.000634882787868628], "b": [1.78281146734483e-06, 1.61406206233203e-06, 2.06016420113179e-06]},
            {"name": "DMC-GM5 iso 16000", "iso": 16000, "a": [0.00154768684926078, 0.000551702545962629, 0.000859325865044707], "b": [2.57618602599483e-06, 2.42910425734615e-06, 2.98709607408353e-06]},
            {"name": "DMC-GM5 iso 20000", "iso": 20000, "a": [0.00190549754465929, 0.000699835948194941, 0.00108708412021089], "b": [3.15267309230444e-06, 3.26628300490366e-06, 3.82287383350517e-06]},
            {"name": "DMC-GM5 iso 25600", "iso": 25600, "a": [0.00231971900710047, 0.000784567747206482, 0.00122087899993435], "b": [2.81698109418638e-06, 3.38584113522088e-06, 4.11171301961713e-06]}
          ]
        },
        {
          "comment": "same with better matches for red and blue, and more steps in between:",
          "model": "DMC-GX1",
          "profiles": [
            {"name": "Panasonic DMC-GX1 iso 160", "iso": 160, "a": [2.25610005942022e-05, 8.43102881725226e-06, 1.60520675069957e-05], "b": [-3.81560811538944e-07, -2.77360344328293e-07, 8.86697855024986e-08]},
            {"name": "Panasonic DMC-GX1 iso 200", "iso": 200, "a": [2.64124247426029e-05, 9.80349098201341e-06, 1.90490427779351e-05], "b": [-3.45821367697589e-07, -2.17627214382141e-07, 1.72211312138351e-07]},
            {"name": "Panasonic DMC-GX1 iso 250", "iso": 250, "a": [3.04927021440971e-05, 1.05331775232163e-05, 2.17866327137394e-05], "b": [-4.10742894091177e-07, -3.72527229796411e-08, 2.33617119577972e-07]},
            {"name": "Panasonic DMC-GX1 iso 320", "iso": 320, "a": [3.56189332573906e-05, 1.37113783284234e-05, 2.58485400989334e-05], "b": [-1.81928225710476e-07, -1.46131883236718e-07, 5.49658067981408e-07]},
            {"name": "Panasonic DMC-GX1 iso 400", "iso": 400, "a": [4.62444063194779e-05, 1.75382432080569e-05, 3.36961198983445e-05], "b": [-4.1704863421711e-07, -3.29120382807837e-07, 4.36779965811009e-07]},
            {"skip": true, "name": "Panasonic DMC-GX1 iso 400", "iso": 400, "a": [4.53512495035128e-05, 1.74709593097413e-05, 3.33606280048935e-05], "b": [-2.84202446139982e-07, -2.7327170729911e-07, 5.10172528577565e-07]},
            {"name": "Panasonic DMC-GX1 iso 500", "iso": 500, "a": [7.2570142083284e-05, 2.21989457357698e-05, 4.96628117423767e-05], "b": [-2.37989217590185e-06, -7.37581908416101e-07, -9.30612379303307e-07]},
            {"name": "Panasonic DMC-GX1 iso 640", "iso": 640, "a": [6.55440270361526e-05, 2.36422407747861e-05, 4.63067047150749e-05], "b": [-2.68014165295071e-07, 1.8294274402725e-07, 1.18690901328372e-06]},
            {"name": "Panasonic DMC-GX1 iso 800", "iso": 800, "a": [8.01519595070828e-05, 3.09384262328816e-05, 5.9098398003935e-05], "b": [-9.34688854443932e-08, -3.58382483395874e-08, 1.47268763808856e-06]},
            {"name": "Panasonic DMC-GX1 iso 1000", "iso": 1000, "a": [0.000123247564807667, 3.84566201864243e-05, 8.5051106151817e-05], "b": [-2.76274062436701e-06, -1.71948589094298e-07, -1.13275352526187e-07]},
            {"name": "Panasonic DMC-GX1 iso 1250", "iso": 1250, "a": [0.000126867722735507, 4.55060245187499e-05, 8.95192884835856e-05], "b": [-2.68295978720705e-07, 7.75180092914863e-07, 2.90126074003082e-06]},
            {"name": "Panasonic DMC-GX1 iso 1600", "iso": 1600, "a": [0.000152146399617487, 5.8565367817483e-05, 0.000112439969511265], "b": [5.95274434857656e-07, 6.48690196658333e-07, 3.58946664205093e-06]},
            {"name": "Panasonic DMC-GX1 iso 2000", "iso": 2000, "a": [0.000191954190776922, 7.6005589742941e-05, 0.000148594078412686], "b": [9.68533727234613e-07, 3.62096380831812e-07, 3.85198033722599e-06]},
            {"name": "Panasonic DMC-GX1 iso 2500", "iso": 2500, "a": [0.000236488194628525, 9.4602543046884e-05, 0.000182171711406015], "b": [1.88761417585411e-06, 9.14321382905128e-07, 5.7916931882301e-06]},
            {"name": "Panasonic DMC-GX1 iso 3200", "iso": 3200, "a": [0.000292292347694649, 0.000117110006860544, 0.000224665266940306], "b": [3.23408410626095e-06, 1.81856269561625e-06, 8.15529948346614e-06]},
            {"name": "Panasonic DMC-GX1 iso 4000", "iso": 4000, "a": [0.000364567828794302, 0.000150430874414097, 0.000278748564916136], "b": [5.16532360250294e-06, 2.41504542938176e-06, 1.14511026120252e-05]},
            {"name": "Panasonic DMC-GX1 iso 5000", "iso": 5000, "a": [0.000460872077087472, 0.000190389435926031, 0.000356577212561424], "b": [7.20108230213754e-06, 3.48474300718122e-06, 1.42981816344779e-05]},
            {"name": "Panasonic DMC-GX1 iso 6400", "iso": 6400, "a": [0.000567967306824856, 0.00023594015155701, 0.00044355050164276], "b": [1.28882597396064e-05, 6.68500438964432e-06, 2.08488399270575e-05]},
            {"name": "Panasonic DMC-GX1 iso 8000", "iso": 8000, "a": [0.000705109958420111, 0.000296468647931019, 0.000548088005072015], "b": [1.81668564557104e-05, 1.06561376035258e-05, 3.1007109089614e-05]},
            {"name": "Panasonic DMC-GX1 iso 10000", "iso": 10000, "a": [0.000816958070153822, 0.000380761554845624, 0.000691782505603086], "b": [3.32161214117429e-05, 1.46423072401747e-05, 4.21583308111487e-05]},
            {"name": "Panasonic DMC-GX1 iso 12800", "iso": 12800, "a": [0.00100449707889175, 0.000476975622368013, 0.000816127799702047], "b": [4.94242263731821e-05, 2.41924946503053e-05, 6.55448957102485e-05]},
            {"skip": true, "name": "Panasonic DMC-GX1 iso 160", "iso": 160, "a": [0.0, 7.72223529615256e-06, 0.0], "b": [0.0, -6.888766555649e-08, 0.0]},
            {"skip": true, "name": "Panasonic DMC-GX1 iso 200", "iso": 200, "a": [0.0, 9.64595616531457e-06, 0.0], "b": [0.0, -6.6569329741824e-08, 0.0]},
            {"skip": true, "name": "Panasonic DMC-GX1 iso 250", "iso": 250, "a": [0.0, 1.23507222355249e-05, 0.0], "b": [0.0, -4.11045186798127e-07, 0.0]},
            {"skip": true, "name": "Panasonic DMC-GX1 iso 320", "iso": 320, "a": [0.0, 1.51512657609805e-05, 0.0], "b": [0.0, -2.4749062934159e-07, 0.0]},
            {"skip": true, "name": "Panasonic DMC-GX1 iso 400", "iso": 400, "a": [0.0, 1.88723846858177e-05, 0.0], "b": [0.0, -4.46367750684392e-07, 0.0]},
            {"skip": true, "name": "Panasonic DMC-GX1 iso 1600", "iso": 1600, "a": [0.0, 5.99088263699075e-05, 0.0], "b": [0.0, 6.73267594796343e-07, 0.0]},
            {"skip": true, "name": "Panasonic DMC-GX1 iso 2000", "iso": 2000, "a": [0.0, 7.9722392572226e-05, 0.0], "b": [0.0, -5.28451446018427e-08, 0.0]},
            {"skip": true, "name": "Panasonic DMC-GX1 iso 2500", "iso": 2500, "a": [0.0, 9.94259118650839e-05, 0.0], "b": [0.0, 1.79072192077369e-07, 0.0]},
            {"skip": true, "name": "Panasonic DMC-GX1 iso 3200", "iso": 3200, "a": [0.0, 0.00012793752435239, 0.0], "b": [0.0, -2.20153349009731e-08, 0.0]},
            {"skip": true, "name": "Panasonic DMC-GX1 iso 4000", "iso": 4000, "a": [0.0, 0.000154709292531849, 0.0], "b": [0.0, 1.25260035328767e-06, 0.0]},
            {"skip": true, "name": "Panasonic DMC-GX1 iso 5000", "iso": 5000, "a": [0.0, 0.000195804178807441, 0.0], "b": [0.0, 4.69312211229742e-06, 0.0]},
            {"skip": true, "name": "Panasonic DMC-GX1 iso 6400", "iso": 6400, "a": [0.0, 0.000246609262698591, 0.0], "b": [0.0, 7.26908367124262e-06, 0.0]},
            {"skip": true, "name": "Panasonic DMC-GX1 iso 8000", "iso": 8000, "a": [0.0, 0.000317912383391281, 0.0], "b": [0.0, 1.22055037100857e-05, 0.0]},
            {"skip": true, "name": "Panasonic DMC-GX1 iso 10000", "iso": 10000, "a": [0.0, 0.000387863432430305, 0.0], "b": [0.0, 1.79704768639272e-05, 0.0]},
            {"skip": true, "name": "Panasonic DMC-GX1 iso 12800", "iso": 12800, "a": [0.0, 0.000490152181962666, 0.0], "b": [0.0, 2.59598697699368e-05, 0.0]}
          ]
        },
        {
          "comment": "additional dmc-gx7 by thokster, slightly less aggressive:",
          "model": "DMC-GX7",
          "profiles": [
            {"name": "DMC-GX7 iso 125", "iso": 125, "a": [1.02469553101861e-05, 3.86598354436075e-06, 6.62506511383392e-06], "b": [1.25894559914195e-08, 9.60576515276903e-09, 1.27805155908475e-08]},
            {"name": "DMC-GX7 iso 200", "iso": 200, "a": [1.71192468795171e-05, 6.28239883382605e-06, 1.05653687375902e-05], "b": [1.92717160849479e-08, 1.50577630791781e-08, 2.01668286955249e-08]},
            {"name": "DMC-GX7 iso 400", "iso": 400, "a": [3.32797877447743e-05, 1.21936872600359e-05, 2.06303600331317e-05], "b": [3.80008811340371e-08, 2.96586802371498e-08, 4.00360875572228e-08]},
            {"name": "DMC-GX7 iso 800", "iso": 800, "a": [6.4997122107329e-05, 2.39018586858697e-05, 4.00710925149001e-05], "b": [7.46972236753608e-08, 5.86600001018794e-08, 7.86614773542351e-08]},
            {"name": "DMC-GX7 iso 3200", "iso": 3200, "a": [0.000247362015434284, 9.23123084113172e-05, 0.000153104325402181], "b": [2.98744536833586e-07, 2.19187654751199e-07, 3.08254989654335e-07]},
            {"name": "DMC-GX7 iso 6400", "iso": 6400, "a": [0.000489123396382914, 0.000185753553079761, 0.000302319980408346], "b": [6.28973988933001e-07, 4.80381835172596e-07, 6.69281517432149e-07]},
            {"name": "DMC-GX7 iso 12800", "iso": 12800, "a": [0.00096454198599105, 0.000376697309273113, 0.00061339226802943], "b": [1.06889994305435e-06, 1.07990518200627e-06, 1.39608635033523e-06]},
            {"name": "DMC-GX7 iso 25600", "iso": 25600, "a": [0.00186787652101452, 0.000780445760065833, 0.00123670433194128], "b": [1.67498888633184e-06, 2.78109874037158e-06, 3.12080550951644e-06]},
            {"skip": true, "name": "DMC-GX7 iso 200", "iso": 200, "a": [1.54993685443704e-05, 6.05878465811322e-06, 1.10666762504456e-05], "b": [2.1878022193467e-08, 1.55868536176415e-08, 2.12394980802588e-08]},
            {"skip": true, "name": "DMC-GX7 iso 400", "iso": 400, "a": [3.27286454518961e-05, 1.23050620288822e-05, 2.24382697384105e-05], "b": [3.6316212737807e-08, 2.82056917011574e-08, 3.73701253156086e-08]},
            {"skip": true, "name": "DMC-GX7 iso 800", "iso": 800, "a": [6.41338234744364e-05, 2.44992700720629e-05, 4.50313154906175e-05], "b": [7.81564751559069e-08, 5.74983944626736e-08, 7.74886140724314e-08]},
            {"skip": true, "name": "DMC-GX7 iso 1600", "iso": 1600, "a": [0.000129603016923408, 4.98050170020576e-05, 9.10231124124235e-05], "b": [1.69119863080161e-07, 1.18466595565976e-07, 1.669142556179e-07]},
            {"skip": true, "name": "DMC-GX7 iso 3200", "iso": 3200, "a": [0.000252438843453206, 9.950285164147e-05, 0.00018404612022497], "b": [5.51221946370664e-07, 3.7082814826385e-07, 4.95427308271235e-07]},
            {"skip": true, "name": "DMC-GX7 iso 6400", "iso": 6400, "a": [0.000498510514474999, 0.000198556643047007, 0.000369330183005606], "b": [1.75280698753396e-06, 1.23149606790733e-06, 1.47537065230039e-06]},
            {"skip": true, "name": "DMC-GX7 iso 12800", "iso": 12800, "a": [0.000991920755920762, 0.000396709274022879, 0.000739251435885601], "b": [5.61729905561357e-06, 4.27583466481009e-06, 4.68537201885592e-06]},
            {"skip": true, "name": "DMC-GX7 iso 25600", "iso": 25600, "a": [0.00196703832775278, 0.000805912336992413, 0.00144098471686257], "b": [1.9984426907528e-05, 1.55489556456422e-05, 1.71051983928139e-05]}
          ]
        },
        {
          "comment": "dmc-lx5 by Romano",
          "model": "DMC-LX5",
          "profiles": [
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          "comment": "dmc-lx7 by Deryk Lister. fits are in general very good, goes up to 2x variance below 0.1 or so.",
          "model": "DMC-LX7",
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            {"name": "PENTAX K-S1 iso 6400", "iso": 6400, "a": [0.000237579344768775, 0.000152216476425451, 0.00034547726722288], "b": [1.30823774166026e-06, 1.04607434408091e-06, 1.58935135335803e-06]},
            {"name": "PENTAX K-S1 iso 8000", "iso": 8000, "a": [0.000288144509786252, 0.000189266391467592, 0.000414430886602314], "b": [1.70500890569974e-06, 1.27876775647344e-06, 2.04846075953491e-06]},
            {"name": "PENTAX K-S1 iso 10000", "iso": 10000, "a": [0.000203466724784578, 0.00013078483942897, 0.000313068506796942], "b": [1.86964223478694e-06, 1.44770155565942e-06, 2.11707174779511e-06]},
            {"name": "PENTAX K-S1 iso 12800", "iso": 12800, "a": [0.000215238549942562, 0.00013993179233252, 0.000288141797508695], "b": [2.45239755612639e-06, 1.86851986819757e-06, 2.73664726504476e-06]},
            {"name": "PENTAX K-S1 iso 16000", "iso": 16000, "a": [0.00028828839960415, 0.000184040768531536, 0.000404304625323396], "b": [3.7064497454002e-06, 2.8614171822319e-06, 4.05670452543861e-06]},
            {"name": "PENTAX K-S1 iso 20000", "iso": 20000, "a": [0.000358166235367105, 0.000237883735768093, 0.00047174466346629], "b": [4.77488932968834e-06, 3.61407927457231e-06, 5.3453559194681e-06]},
            {"name": "PENTAX K-S1 iso 25600", "iso": 25600, "a": [0.000481022854448021, 0.000361874116784499, 0.00060222079544905], "b": [7.36843072603884e-06, 5.17384907046313e-06, 8.17252775432033e-06]},
            {"name": "PENTAX K-S1 iso 32000", "iso": 32000, "a": [0.000656600620560782, 0.000497111068779394, 0.000820836703982204], "b": [1.04068399147584e-05, 7.60137232746558e-06, 1.16972941292104e-05]},
            {"name": "PENTAX K-S1 iso 40000", "iso": 40000, "a": [0.000773164716889862, 0.000623544234401287, 0.000939728713876678], "b": [1.46512659424397e-05, 1.01785997409007e-05, 1.64884334678141e-05]},
            {"name": "PENTAX K-S1 iso 51200", "iso": 51200, "a": [0.00106161126101586, 0.00106363544605785, 0.00127528006931713], "b": [1.89140480851677e-05, 1.04278106412676e-05, 2.06080820141203e-05]}
          ]
        },
        {
          "comment": "k-01 contributed by jul",
          "model": "K-01",
          "profiles": [
            {"name": "K-01 iso 100", "iso": 100, "a": [5.85153130965118e-06, 2.39812715100816e-06, 4.09261138310533e-06], "b": [6.10354118928081e-10, 1.11810533952471e-09, 7.31382080777024e-09]},
            {"name": "K-01 iso 125", "iso": 125, "a": [7.40604972187819e-06, 2.96309393479511e-06, 5.10256081323144e-06], "b": [9.03079497035801e-10, 3.9071809250558e-09, 9.47541731230451e-09]},
            {"name": "K-01 iso 160", "iso": 160, "a": [8.45442769318706e-06, 3.44445628261513e-06, 5.98161163412431e-06], "b": [7.87913832374551e-10, 4.36597553464895e-09, 9.42343086637645e-09]},
            {"name": "K-01 iso 200", "iso": 200, "a": [1.06770535835945e-05, 4.3888419619485e-06, 7.63604443943123e-06], "b": [6.00169192110768e-09, 5.07100976240199e-09, 1.51835033669554e-08]},
            {"name": "K-01 iso 250", "iso": 250, "a": [1.35929111765133e-05, 5.53674402573251e-06, 9.66960514889986e-06], "b": [1.08479926307569e-08, 9.11327017753666e-09, 2.20603321729278e-08]},
            {"name": "K-01 iso 320", "iso": 320, "a": [1.60348740014727e-05, 6.56157113550149e-06, 1.13972296892296e-05], "b": [6.987947790644e-09, 1.3329887771553e-08, 2.91291994895469e-08]},
            {"name": "K-01 iso 400", "iso": 400, "a": [2.09545670999531e-05, 8.27118376300837e-06, 1.49960488272038e-05], "b": [3.34947106714701e-08, 2.73542111549327e-08, 3.87595776465083e-08]},
            {"name": "K-01 iso 500", "iso": 500, "a": [2.59197391265333e-05, 1.05554902027774e-05, 1.88378624898755e-05], "b": [4.61023210153101e-08, 3.02739386461531e-08, 6.30011634307022e-08]},
            {"name": "K-01 iso 640", "iso": 640, "a": [3.23550841257523e-05, 1.25461443479882e-05, 2.21102046202947e-05], "b": [5.79091109777321e-08, 4.4935003069669e-08, 6.52873643318813e-08]},
            {"name": "K-01 iso 800", "iso": 800, "a": [3.92858061540564e-05, 1.63883735553119e-05, 2.90705041279098e-05], "b": [7.26909743954101e-08, 6.33281145512818e-08, 9.45928706128016e-08]},
            {"name": "K-01 iso 1000", "iso": 1000, "a": [5.08315973516112e-05, 2.08167106886417e-05, 4.13070095850794e-05], "b": [1.26333416716958e-07, 9.28612793837534e-08, 1.43319368070884e-07]},
            {"name": "K-01 iso 1250", "iso": 1250, "a": [6.02759264794144e-05, 2.50276036409023e-05, 4.95635301249131e-05], "b": [1.29590845242129e-07, 1.26520408608364e-07, 1.79198184751403e-07]},
            {"name": "K-01 iso 1600", "iso": 1600, "a": [7.80005308583147e-05, 3.24257467738334e-05, 6.63813271297013e-05], "b": [1.8435149175174e-07, 1.8934214715114e-07, 2.65559510304433e-07]},
            {"name": "K-01 iso 2000", "iso": 2000, "a": [0.000100982746848461, 4.20576512914971e-05, 7.52024803280414e-05], "b": [3.33419092306472e-07, 2.77893119205025e-07, 4.31475548196918e-07]},
            {"name": "K-01 iso 2500", "iso": 2500, "a": [0.000129411813587014, 5.25325976267721e-05, 0.00010748448117227], "b": [2.50831289461275e-07, 2.52514460562069e-07, 2.79988427363606e-07]},
            {"name": "K-01 iso 3200", "iso": 3200, "a": [6.80577334903011e-05, 2.73908834426329e-05, 5.68576823908917e-05], "b": [2.26571595700698e-07, 2.1739031579305e-07, 2.83926996055996e-07]},
            {"name": "K-01 iso 4000", "iso": 4000, "a": [8.97785108815518e-05, 3.86356549374229e-05, 7.9748963037814e-05], "b": [2.82173949955798e-07, 2.6495957661094e-07, 3.07390994268575e-07]},
            {"name": "K-01 iso 5000", "iso": 5000, "a": [0.000106899729890492, 4.25943856399867e-05, 8.70823305876101e-05], "b": [4.41895021542445e-07, 4.32744223077433e-07, 5.28134740759526e-07]},
            {"name": "K-01 iso 6400", "iso": 6400, "a": [0.000161388786173366, 7.35863232437187e-05, 0.000154386774565862], "b": [7.01687801612091e-07, 8.04007347531458e-07, 7.99116204875977e-07]},
            {"name": "K-01 iso 8000", "iso": 8000, "a": [0.000223970207153318, 9.22162503687581e-05, 0.000180488442155961], "b": [1.20354164833907e-06, 1.27464670498501e-06, 1.42668556293567e-06]},
            {"name": "K-01 iso 10000", "iso": 10000, "a": [0.000270058403286246, 0.000111244962106367, 0.000202442718514219], "b": [1.44027048569691e-06, 1.651941986186e-06, 1.82745456862855e-06]},
            {"name": "K-01 iso 12800", "iso": 12800, "a": [0.000350259327293808, 0.000144007609852533, 0.00028322654737335], "b": [2.08702803357835e-06, 2.26244455766676e-06, 2.62829766166339e-06]},
            {"name": "K-01 iso 16000", "iso": 16000, "a": [0.000559972500141875, 0.000193507847661126, 0.000167597146379441], "b": [1.2504752457118e-06, 1.34309933436988e-06, 2.12973849854343e-06]},
            {"name": "K-01 iso 20000", "iso": 20000, "a": [0.000558209155499307, 0.000228944670134299, 0.000469272212732734], "b": [4.13410129356767e-06, 4.82173085073581e-06, 4.78752505974703e-06]},
            {"name": "K-01 iso 25600", "iso": 25600, "a": [0.000704048256938488, 0.000292855641577576, 0.00059093715406946], "b": [7.10400494073888e-06, 7.45123231893929e-06, 7.90082614135211e-06]}
          ]
        },
        {
          "comment": "pentax k100d contributed by elliott",
          "model": "K100D",
          "profiles": [
            {"name": "Pentax K100D iso 200", "iso": 200, "a": [3.95804544331784e-06, 3.95804544331784e-06, 3.95804544331784e-06], "b": [-1.69302519603735e-07, -1.69302519603735e-07, -1.69302519603735e-07]},
            {"name": "Pentax K100D iso 400", "iso": 400, "a": [5.20488498776622e-06, 5.20488498776622e-06, 5.20488498776622e-06], "b": [-1.63022469587059e-07, -1.63022469587059e-07, -1.63022469587059e-07]},
            {"name": "Pentax K100D iso 800", "iso": 800, "a": [9.25286082752558e-06, 9.25286082752558e-06, 9.25286082752558e-06], "b": [-1.28100505227757e-07, -1.28100505227757e-07, -1.28100505227757e-07]},
            {"name": "Pentax K100D iso 1600", "iso": 1600, "a": [1.65249296500756e-05, 1.65249296500756e-05, 1.65249296500756e-05], "b": [5.07468502484445e-07, 5.07468502484445e-07, 5.07468502484445e-07]},
            {"name": "Pentax K100D iso 3200", "iso": 3200, "a": [3.31313403159836e-05, 3.31313403159836e-05, 3.31313403159836e-05], "b": [1.92154574341619e-06, 1.92154574341619e-06, 1.92154574341619e-06]}
          ]
        },
        {
          "comment": "pentax k100d super contributed by bovender (copied from elliott's data)",
          "model": "K100D Super",
          "profiles": [
            {"name": "Pentax K100D Super iso 200", "iso": 200, "a": [3.95804544331784e-06, 3.95804544331784e-06, 3.95804544331784e-06], "b": [-1.69302519603735e-07, -1.69302519603735e-07, -1.69302519603735e-07]},
            {"name": "Pentax K100D Super iso 400", "iso": 400, "a": [5.20488498776622e-06, 5.20488498776622e-06, 5.20488498776622e-06], "b": [-1.63022469587059e-07, -1.63022469587059e-07, -1.63022469587059e-07]},
            {"name": "Pentax K100D Super iso 800", "iso": 800, "a": [9.25286082752558e-06, 9.25286082752558e-06, 9.25286082752558e-06], "b": [-1.28100505227757e-07, -1.28100505227757e-07, -1.28100505227757e-07]},
            {"name": "Pentax K100D Super iso 1600", "iso": 1600, "a": [1.65249296500756e-05, 1.65249296500756e-05, 1.65249296500756e-05], "b": [5.07468502484445e-07, 5.07468502484445e-07, 5.07468502484445e-07]},
            {"name": "Pentax K100D Super iso 3200", "iso": 3200, "a": [3.31313403159836e-05, 3.31313403159836e-05, 3.31313403159836e-05], "b": [1.92154574341619e-06, 1.92154574341619e-06, 1.92154574341619e-06]}
          ]
        },
        {
          "comment": "pentax k10d contributed by tx0h",
          "model": "K10D",
          "profiles": [
            {"name": "Pentax K10D iso 100", "iso": 100, "a": [1.02367627014916e-05, 4.9091955753185e-06, 6.04942821561138e-06], "b": [-1.65430085968577e-07, -2.41455429557531e-07, -1.29773775757549e-07]},
            {"name": "Pentax K10D iso 125", "iso": 125, "a": [1.32925111314241e-05, 6.23704365909944e-06, 7.77622928917166e-06], "b": [-2.15341363099805e-07, -2.77498137369662e-07, -1.39227752756895e-07]},
            {"name": "Pentax K10D iso 160", "iso": 160, "a": [1.44774824242514e-05, 6.85098079537835e-06, 8.9321393095887e-06], "b": [-1.71797480847771e-07, -2.38684243529073e-07, -1.52712105543287e-07]},
            {"name": "Pentax K10D iso 200", "iso": 200, "a": [1.78610074553062e-05, 8.88981958766482e-06, 1.12065844180937e-05], "b": [-1.18554531099998e-07, -3.28075788618915e-07, -1.3131074028536e-07]},
            {"name": "Pentax K10D iso 250", "iso": 250, "a": [2.28357388437652e-05, 1.10291022727514e-05, 1.40802025180412e-05], "b": [-2.03948118420049e-07, -3.66357454472493e-07, -1.34675901033851e-07]},
            {"name": "Pentax K10D iso 320", "iso": 320, "a": [2.75043791258194e-05, 1.33437246767469e-05, 1.66453015595246e-05], "b": [-2.26078894194755e-07, -4.347322336876e-07, -8.61474296167209e-08]},
            {"name": "Pentax K10D iso 400", "iso": 400, "a": [3.21011431903841e-05, 1.64512043466556e-05, 2.01250917619875e-05], "b": [-1.44941054937907e-08, -5.02138074076235e-07, 6.87769204291625e-08]},
            {"name": "Pentax K10D iso 500", "iso": 500, "a": [3.80636812250017e-05, 1.86801893195956e-05, 2.43220883869917e-05], "b": [-1.69737695513725e-07, -5.62215821124226e-07, -2.00209262311514e-07]},
            {"name": "Pentax K10D iso 640", "iso": 640, "a": [4.41596009456921e-05, 2.08649677613643e-05, 2.71361323128873e-05], "b": [-3.74287259842114e-07, -6.16584075639679e-07, -1.52161800076396e-07]},
            {"name": "Pentax K10D iso 800", "iso": 800, "a": [5.41604043484142e-05, 2.54529668520349e-05, 3.43290782919279e-05], "b": [-5.91127704130443e-08, -4.18903758692897e-07, 1.20024989931595e-07]},
            {"name": "Pentax K10D iso 1000", "iso": 1000, "a": [6.62850730261562e-05, 3.17771961537796e-05, 4.27137241321552e-05], "b": [1.41277701548127e-07, -5.03449593924017e-07, 3.51797132523966e-07]},
            {"name": "Pentax K10D iso 1250", "iso": 1250, "a": [7.51789405808404e-05, 3.58916847071261e-05, 4.73712006780775e-05], "b": [2.77296624961085e-08, -6.43282394959506e-07, 4.02260433128856e-07]},
            {"name": "Pentax K10D iso 1600", "iso": 1600, "a": [9.40466214217775e-05, 4.40633353160868e-05, 5.9431026273189e-05], "b": [5.67896354956397e-07, -2.50546497402051e-07, 1.40973645819231e-06]}
          ]
        },
        {
          "comment": "pentax k110d by Matthieu Volat (same as k100d with updated iso 200)",
          "model": "K110D",
          "profiles": [
            {"name": "Pentax K110D iso 200", "iso": 200, "a": [2.06027150409162e-06, 3.54038951685638e-06, 3.77672297613284e-06], "b": [3.78928038552898e-08, 9.32234631575871e-09, 7.2994177239754e-08]},
            {"name": "Pentax K110D iso 400", "iso": 400, "a": [5.20488498776622e-06, 5.20488498776622e-06, 5.20488498776622e-06], "b": [-1.63022469587059e-07, -1.63022469587059e-07, -1.63022469587059e-07]},
            {"name": "Pentax K110D iso 800", "iso": 800, "a": [9.25286082752558e-06, 9.25286082752558e-06, 9.25286082752558e-06], "b": [-1.28100505227757e-07, -1.28100505227757e-07, -1.28100505227757e-07]},
            {"name": "Pentax K110D iso 1600", "iso": 1600, "a": [1.65249296500756e-05, 1.65249296500756e-05, 1.65249296500756e-05], "b": [5.07468502484445e-07, 5.07468502484445e-07, 5.07468502484445e-07]},
            {"name": "Pentax K110D iso 3200", "iso": 3200, "a": [3.31313403159836e-05, 3.31313403159836e-05, 3.31313403159836e-05], "b": [1.92154574341619e-06, 1.92154574341619e-06, 1.92154574341619e-06]}
          ]
        },
        {
          "comment": "pentax k200d contributed by Réza Meralli",
          "model": "K200D",
          "profiles": [
            {"name": "Pentax K200D iso 100", "iso": 100, "a": [5.00045502819751e-06, 3.85316445963773e-06, 1.00379864507032e-05], "b": [-5.56992903182943e-08, -1.03834331573044e-07, -1.3697793717953e-07]},
            {"name": "Pentax K200D iso 200", "iso": 200, "a": [9.56294041351012e-06, 6.50524026205696e-06, 1.38608013732202e-05], "b": [-5.39961950121469e-08, 5.63133308618009e-08, 5.34612219608483e-07]},
            {"name": "Pentax K200D iso 400", "iso": 400, "a": [1.71610506310794e-05, 1.2700452200367e-05, 1.88448309727875e-05], "b": [1.3531487540378e-07, 3.47167879047707e-08, 2.21981756143856e-06]},
            {"name": "Pentax K200D iso 800", "iso": 800, "a": [2.6532373184506e-05, 1.97873258203881e-05, 3.23516896929341e-05], "b": [-1.9629366578538e-07, -2.0131442359146e-07, 2.98480770921618e-06]},
            {"name": "Pentax K200D iso 1600", "iso": 1600, "a": [4.81712141005253e-05, 3.97699126522855e-05, 4.32329378328961e-05], "b": [4.29605900325977e-07, -7.62108836847819e-07, 8.37957014442456e-06]}
          ]
        },
        {
          "comment": "pentax k20d contributed by Florian Franzmann",
          "model": "K20D",
          "profiles": [
            {"name": "Pentax K20D iso 100", "iso": 100, "a": [4.03512079837188e-06, 2.31310823952034e-06, 3.72654785194799e-06], "b": [4.48434387114298e-08, 3.59171630863747e-08, 4.56183722901822e-08]},
            {"name": "Pentax K20D iso 125", "iso": 125, "a": [5.201751914679e-06, 2.93447897646261e-06, 4.70203086903034e-06], "b": [5.51586048674761e-08, 4.1168171112395e-08, 5.56619859856805e-08]},
            {"name": "Pentax K20D iso 160", "iso": 160, "a": [6.29295714473944e-06, 3.49924893556453e-06, 5.62152351266612e-06], "b": [6.76420341983647e-08, 4.90669740481894e-08, 6.76521653090315e-08]},
            {"name": "Pentax K20D iso 200", "iso": 200, "a": [8.36863306228191e-06, 4.64006701611217e-06, 7.51534296744729e-06], "b": [9.67845541105706e-08, 6.67936355023338e-08, 9.45095552388911e-08]},
            {"name": "Pentax K20D iso 250", "iso": 250, "a": [1.02598391710906e-05, 5.71243845496259e-06, 9.31978483791779e-06], "b": [7.28223102970396e-08, 4.89716302975205e-08, 7.03090994530299e-08]},
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            {"name": "Pentax K20D iso 400", "iso": 400, "a": [1.6503395079422e-05, 9.06424071661894e-06, 1.46971500377345e-05], "b": [1.40440897697093e-07, 9.19813497432329e-08, 1.33674878147282e-07]},
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        {
          "comment": "pentax k-5 ii contributed by michael born",
          "model": "K-5 II s",
          "profiles": [
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            {"name": "Pentax K-5 II s iso 200", "iso": 200, "a": [1.3610031439386e-05, 5.25468929066328e-06, 8.78767467569257e-06], "b": [-1.85428671703909e-07, -1.30436894688551e-07, -1.41318377532799e-07]},
            {"name": "Pentax K-5 II s iso 400", "iso": 400, "a": [2.54148453721959e-05, 9.89549495343958e-06, 1.65951515741497e-05], "b": [-2.42444175989697e-07, -1.70088479301098e-07, -1.66323449829236e-07]},
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        {
          "comment": "pentax k-7 contributed by elliott, blue channel broken",
          "model": "K-7",
          "profiles": [
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            {"name": "Pentax K-7 iso 160", "iso": 160, "a": [6.32605601552533e-06, 5.79050413229674e-06, 0.0], "b": [8.24331972830702e-08, -3.49510920058497e-08, 0.0]},
            {"name": "Pentax K-7 iso 200", "iso": 200, "a": [8.49171202242796e-06, 7.52341331928086e-06, 0.0], "b": [-3.23012279203106e-09, -1.16683528731805e-07, 0.0]},
            {"name": "Pentax K-7 iso 250", "iso": 250, "a": [1.05063521430323e-05, 9.57691175446278e-06, 0.0], "b": [6.22191768561298e-08, -1.47688359618983e-07, 0.0]},
            {"name": "Pentax K-7 iso 320", "iso": 320, "a": [1.20655330510873e-05, 1.11613997720898e-05, 0.0], "b": [1.48274329267279e-07, -1.28492436185813e-07, 0.0]},
            {"name": "Pentax K-7 iso 400", "iso": 400, "a": [1.54954238146394e-05, 1.39426126559638e-05, 0.0], "b": [1.38366294702248e-07, -1.08827510681911e-07, 0.0]},
            {"name": "Pentax K-7 iso 500", "iso": 500, "a": [1.99366691911348e-05, 1.80802072918949e-05, 0.0], "b": [2.6275403306085e-07, -2.21628487995168e-07, 0.0]},
            {"name": "Pentax K-7 iso 640", "iso": 640, "a": [2.34939275220807e-05, 2.08665236959291e-05, 0.0], "b": [4.18959919484903e-07, -4.68463679638996e-08, 0.0]},
            {"name": "Pentax K-7 iso 800", "iso": 800, "a": [3.24443713875635e-05, 2.76060239730679e-05, 0.0], "b": [5.68711912830384e-07, 1.61887533152749e-07, 0.0]},
            {"name": "Pentax K-7 iso 1000", "iso": 1000, "a": [4.03680750079107e-05, 3.41587204728668e-05, 0.0], "b": [1.13396003398658e-06, 7.5479393850128e-07, 0.0]},
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            {"name": "Pentax K-7 iso 1600", "iso": 1600, "a": [6.38729120940155e-05, 5.21408914527437e-05, 0.0], "b": [3.02846222316358e-06, 2.70325939608082e-06, 0.0]},
            {"name": "Pentax K-7 iso 2000", "iso": 2000, "a": [4.71124731002744e-05, 3.86406604194635e-05, 0.0], "b": [1.83299986782294e-06, 1.73645246806797e-06, 0.0]},
            {"name": "Pentax K-7 iso 2500", "iso": 2500, "a": [5.6679128407337e-05, 4.66825013820314e-05, 0.0], "b": [2.80805710418134e-06, 2.52114016037366e-06, 0.0]},
            {"name": "Pentax K-7 iso 3200", "iso": 3200, "a": [7.8819453907085e-05, 6.07965689471899e-05, 0.0], "b": [4.73766848134806e-06, 4.85417847929952e-06, 0.0]},
            {"name": "Pentax K-7 iso 4000", "iso": 4000, "a": [0.000108200391654255, 8.12095071632062e-05, 0.0], "b": [8.68465780012167e-06, 9.05483764740589e-06, 0.0]},
            {"name": "Pentax K-7 iso 5000", "iso": 5000, "a": [0.000135356844756659, 0.000102503035430278, 0.0], "b": [1.26684856109744e-05, 1.27199120268548e-05, 0.0]},
            {"name": "Pentax K-7 iso 6400", "iso": 6400, "a": [0.00019878664913378, 0.000134950719089934, 0.0], "b": [2.00316908449782e-05, 2.36038806789022e-05, 0.0]}
          ]
        },
        {
          "comment": "k-70 contributed by daniel, graphs don't match very well, but this seems to be pentax specific",
          "model": "K-70",
          "profiles": [
            {"name": "K-70 iso 100", "iso": 100, "a": [6.01190019431127e-06, 3.01649635178941e-06, 6.71684918826677e-06], "b": [6.88088720028027e-09, 1.23212106450433e-09, 9.03697050283415e-09]},
            {"name": "K-70 iso 100", "iso": 100, "a": [6.06565739098118e-06, 3.03383767683087e-06, 6.71896695598132e-06], "b": [6.55169160334694e-09, 1.06882094960434e-09, 9.23341404487936e-09]},
            {"name": "K-70 iso 125", "iso": 125, "a": [7.69921032538996e-06, 3.8293308376118e-06, 8.50773702281687e-06], "b": [1.13260889657193e-08, 1.21205160884798e-09, 1.19470119953105e-08]},
            {"name": "K-70 iso 160", "iso": 160, "a": [9.00631583979747e-06, 4.48200656723175e-06, 9.9695049137836e-06], "b": [1.1796536815112e-08, 3.52110955844289e-09, 2.05314798886501e-08]},
            {"name": "K-70 iso 200", "iso": 200, "a": [1.15149691996743e-05, 5.67401845491805e-06, 1.25721378360391e-05], "b": [1.46167933891124e-08, 6.10979282364955e-09, 2.73780166419721e-08]},
            {"name": "K-70 iso 250", "iso": 250, "a": [7.58044129854652e-06, 3.73520228261179e-06, 8.5046286200886e-06], "b": [7.88658801597892e-09, 4.37543919175071e-09, 1.13228015044553e-08]},
            {"name": "K-70 iso 320", "iso": 320, "a": [8.9180372471096e-06, 4.37823078688663e-06, 1.00239242612782e-05], "b": [8.04426302831309e-09, 4.11969488477287e-09, 1.00574016334369e-08]},
            {"name": "K-70 iso 400", "iso": 400, "a": [1.14332027395916e-05, 5.59531492360836e-06, 1.27432014321943e-05], "b": [1.37400900190331e-08, 9.77773536369861e-09, 1.74833784115485e-08]},
            {"name": "K-70 iso 500", "iso": 500, "a": [1.46703545151029e-05, 7.18460039162736e-06, 1.62947413208616e-05], "b": [1.73161775905158e-08, 9.48376077096031e-09, 2.42345099881638e-08]},
            {"name": "K-70 iso 640", "iso": 640, "a": [6.93398344067764e-06, 3.74050571334743e-06, 7.60371485724675e-06], "b": [4.33970081807875e-09, 4.38989120820602e-09, 4.62658714745248e-09]},
            {"name": "K-70 iso 800", "iso": 800, "a": [9.84789871342143e-06, 5.17183051991112e-06, 1.06296637481609e-05], "b": [4.65694479566279e-09, 3.87890605306903e-09, 1.09644008230675e-08]},
            {"name": "K-70 iso 1000", "iso": 1000, "a": [1.39973893073073e-05, 7.23236605550627e-06, 1.50180104504681e-05], "b": [7.87769727346089e-09, 9.58965479133191e-09, 1.39695260077407e-08]},
            {"name": "K-70 iso 1250", "iso": 1250, "a": [1.41113071666228e-05, 7.55755331200392e-06, 1.52278890846824e-05], "b": [9.49306831702692e-09, 7.57883548365197e-09, 9.52753288346918e-09]},
            {"name": "K-70 iso 1600", "iso": 1600, "a": [2.00944201243189e-05, 1.05743662290524e-05, 2.15291697145605e-05], "b": [1.33815499545642e-08, 1.29515635113741e-08, 1.79662466270395e-08]},
            {"name": "K-70 iso 2000", "iso": 2000, "a": [2.87299648244694e-05, 1.49057003099018e-05, 3.06653921823216e-05], "b": [2.12278671866159e-08, 2.12267274458339e-08, 2.94682773103172e-08]},
            {"name": "K-70 iso 2500", "iso": 2500, "a": [2.71198445373682e-05, 1.45852231278806e-05, 2.92578078471902e-05], "b": [2.30347951155027e-08, 2.33600913784744e-08, 3.10725213759719e-08]},
            {"name": "K-70 iso 3200", "iso": 3200, "a": [3.94027505898807e-05, 2.07368382200378e-05, 4.13778728033256e-05], "b": [4.13244728659559e-08, 4.65502971314229e-08, 5.35830741748225e-08]},
            {"name": "K-70 iso 4000", "iso": 4000, "a": [5.60810131135029e-05, 2.91357975498883e-05, 5.84061195071342e-05], "b": [8.40020602338036e-08, 8.84624051375044e-08, 9.70480643739892e-08]},
            {"name": "K-70 iso 5000", "iso": 5000, "a": [5.57743295625185e-05, 2.99567027574528e-05, 5.93178799479847e-05], "b": [6.05559945961405e-08, 6.37904784889759e-08, 7.7191110084428e-08]},
            {"name": "K-70 iso 6400", "iso": 6400, "a": [8.29552826337679e-05, 4.35473133530253e-05, 8.71384460132848e-05], "b": [1.33569223578244e-07, 1.33040070424478e-07, 1.41661998211091e-07]},
            {"name": "K-70 iso 8000", "iso": 8000, "a": [0.000118904280923002, 6.1186223889123e-05, 0.000124719963660127], "b": [2.78907749347427e-07, 2.92671614984842e-07, 2.86429619458882e-07]},
            {"name": "K-70 iso 10000", "iso": 10000, "a": [0.000110846667207192, 5.9529019381708e-05, 0.000118852385514205], "b": [2.28968764561931e-07, 2.41007395994319e-07, 2.24507083380674e-07]},
            {"name": "K-70 iso 12800", "iso": 12800, "a": [0.000162080287482001, 8.44914285000209e-05, 0.000169839395899729], "b": [4.47423519167844e-07, 5.00686135898315e-07, 4.34545948768558e-07]},
            {"name": "K-70 iso 16000", "iso": 16000, "a": [0.000236087127538591, 0.000120390979068385, 0.000237296725007546], "b": [1.00156694215311e-06, 1.18278388652422e-06, 1.02639171773525e-06]},
            {"name": "K-70 iso 20000", "iso": 20000, "a": [0.000223426942511769, 0.000118944748876369, 0.000228695782287223], "b": [6.57159709289972e-07, 8.64878970377572e-07, 6.6445627603662e-07]},
            {"name": "K-70 iso 25600", "iso": 25600, "a": [0.000356205978289444, 0.000176555472524409, 0.000355775772166982], "b": [1.72746287843775e-06, 2.40712483845285e-06, 1.82712968309787e-06]},
            {"name": "K-70 iso 32000", "iso": 32000, "a": [0.000529446489965044, 0.000259598729333595, 0.000494803976239318], "b": [4.21015997586728e-06, 5.588948198429e-06, 4.54626996740968e-06]},
            {"name": "K-70 iso 40000", "iso": 40000, "a": [0.000520606664540632, 0.000254120198599285, 0.000349650944480068], "b": [2.29390906211808e-06, 4.02772443500669e-06, 3.9249711576219e-06]},
            {"name": "K-70 iso 51200", "iso": 51200, "a": [0.0010919397746196, 0.000379620043142571, 0.000676609580476682], "b": [2.42726030332317e-06, 9.32576615113669e-06, 7.45825661500487e-06]},
            {"name": "K-70 iso 64000", "iso": 64000, "a": [0.00172459566503532, 0.000867619793095332, 0.000582216970699379], "b": [7.15314955574293e-06, 1.28248275111378e-05, 2.49754928698749e-05]},
            {"name": "K-70 iso 80000", "iso": 80000, "a": [0.00138028986762134, 0.000667626239870986, 0.000905564162095769], "b": [1.99603931427971e-06, 9.75918122361771e-06, 1.12959013727437e-05]},
            {"name": "K-70 iso 102400", "iso": 102400, "a": [0.00224681135540941, 0.00112113275291004, 0.00241024977434699], "b": [7.05723334063358e-06, 2.11239649557807e-05, 6.4218668837515e-06]}
          ]
        },
        {
          "comment": "pentax k-m contributed by Jean-Christophe Caffe",
          "model": "K-m",
          "profiles": [
            {"name": "Pentax K-m iso 100", "iso": 100, "a": [3.87011793245457e-06, 4.03322633047438e-06, 3.64311974522327e-06], "b": [8.69390316317425e-08, -9.83710674594626e-08, 2.90848586872562e-07]},
            {"name": "Pentax K-m iso 125", "iso": 125, "a": [9.39820497862007e-06, 4.45940513650294e-06, 5.5894012241424e-06], "b": [-4.75886637113419e-08, -9.79993907007359e-08, 2.430582641428e-08]},
            {"name": "Pentax K-m iso 200", "iso": 200, "a": [8.0027594239537e-06, 5.97665412632145e-06, 1.00849419032639e-05], "b": [3.27718864952641e-07, -1.25165177485449e-08, 1.1526746458079e-07]},
            {"name": "Pentax K-m iso 250", "iso": 250, "a": [1.68533011711162e-05, 7.63484692160187e-06, 8.54782686086988e-06], "b": [-8.23117426874891e-08, 1.60270397334301e-07, 6.5834598676889e-07]},
            {"name": "Pentax K-m iso 400", "iso": 400, "a": [6.62683061301946e-06, 9.87707784981921e-06, 1.19735978964325e-05], "b": [1.62777215214915e-06, 3.35142764636583e-07, 9.21994598739137e-07]},
            {"name": "Pentax K-m iso 500", "iso": 500, "a": [6.54719087651375e-06, 9.55014555455602e-06, 1.16424678153785e-05], "b": [9.94800238113157e-07, -1.3924992306725e-07, 3.98966198472856e-07]},
            {"name": "Pentax K-m iso 800", "iso": 800, "a": [3.17793968443221e-05, 1.67210136982223e-05, 2.12875577411074e-05], "b": [5.86977627709036e-07, -3.70990159786682e-07, 1.25737909093602e-07]},
            {"name": "Pentax K-m iso 1000", "iso": 1000, "a": [3.35272431874994e-05, 2.16524789545364e-05, 2.03945467635197e-05], "b": [3.78810281803938e-07, -3.61456249864358e-07, 2.01478656739782e-06]},
            {"name": "Pentax K-m iso 1250", "iso": 1250, "a": [2.74369101863684e-05, 2.40944297900712e-05, 1.9556309083575e-05], "b": [1.06825090605845e-06, -1.13581094450776e-07, 4.78733793440384e-06]},
            {"name": "Pentax K-m iso 1600", "iso": 1600, "a": [5.45171340107178e-05, 3.08470062241788e-05, 3.80309038084381e-05], "b": [1.81620674623084e-06, -4.64488174707219e-08, 2.17272222669808e-06]},
            {"name": "Pentax K-m iso 2000", "iso": 2000, "a": [4.77257364924071e-05, 3.44427137379981e-05, 3.90795319092654e-05], "b": [2.24539901948283e-06, 1.53912405215952e-07, 2.97588427433887e-06]},
            {"name": "Pentax K-m iso 2500", "iso": 2500, "a": [5.77832568279373e-05, 3.61121161536652e-05, 4.41370191648524e-05], "b": [1.53098073435018e-06, 6.24253277123082e-07, 3.92891902335599e-06]},
            {"name": "Pentax K-m iso 3200", "iso": 3200, "a": [7.80822080768476e-05, 4.49595026094475e-05, 1.5568731866553e-05], "b": [9.12175058243346e-07, 7.35125462445745e-07, 1.43097848611759e-05]}
          ]
        },
        {
          "comment": "pentax k-r contributed by Enrico Hillmann",
          "model": "K-r",
          "profiles": [
            {"name": "Pentax K-r iso 100", "iso": 100, "a": [6.19156302755701e-06, 3.16523510984186e-06, 4.33488249710363e-06], "b": [-2.56772373696417e-08, -8.05559248900957e-08, 1.87785280415261e-08]},
            {"name": "Pentax K-r iso 200", "iso": 200, "a": [1.0250229176481e-05, 5.12454064734191e-06, 7.1840749873889e-06], "b": [-3.18721153245065e-08, -9.42627636285803e-08, 3.86980081192557e-08]},
            {"name": "Pentax K-r iso 400", "iso": 400, "a": [2.01680195811569e-05, 9.7588183840868e-06, 1.40658524220736e-05], "b": [-3.80922002873133e-08, -7.41029038353914e-08, 1.03718305077219e-07]},
            {"name": "Pentax K-r iso 800", "iso": 800, "a": [4.05240965801942e-05, 1.88301172697162e-05, 2.84960422041034e-05], "b": [-3.00780147479662e-08, 5.99353245687969e-08, 2.41358707251733e-07]},
            {"name": "Pentax K-r iso 1600", "iso": 1600, "a": [7.78512599138544e-05, 3.80951661837849e-05, 5.60024565948438e-05], "b": [4.78302609408712e-07, 1.99049564161835e-07, 8.35112202282036e-07]},
            {"name": "Pentax K-r iso 3200", "iso": 3200, "a": [9.32147526829224e-05, 4.15792401858486e-05, 6.35952861924381e-05], "b": [-6.84817898763123e-07, -4.66983378834082e-07, 1.01595683678666e-07]},
            {"name": "Pentax K-r iso 6400", "iso": 6400, "a": [0.000179139671672974, 8.20240322777469e-05, 0.000126436079576067], "b": [-1.83643362768227e-06, -2.39470723347351e-06, -6.03127927129158e-07]},
            {"name": "Pentax K-r iso 12800", "iso": 12800, "a": [0.000356023968236295, 0.000156068443240422, 0.000251843393697387], "b": [-4.61717436588577e-06, -5.418466661142e-06, -2.29172762302178e-06]},
            {"name": "Pentax K-r iso 25600", "iso": 25600, "a": [0.000639410909049122, 0.000289341910661324, 0.000453963503048857], "b": [-4.33366763076952e-06, -1.05672332440916e-05, 1.37024899274193e-06]}
          ]
        },
        {
          "comment": " pentax k-x contributed by supersubsexy",
          "model": "K-x",
          "profiles": [
            {"name": "Pentax K-x iso 100", "iso": 100, "a": [6.76033046744373e-06, 3.13786529644355e-06, 4.72421413200676e-06], "b": [1.80245644237734e-08, -4.45550549863608e-08, 5.83376855408949e-08]},
            {"name": "Pentax K-x iso 100", "iso": 100, "a": [6.8608154789686e-06, 3.19957140163793e-06, 4.76268867914309e-06], "b": [5.89424401049698e-09, -6.7523008965824e-08, 4.80348633264404e-08]},
            {"name": "Pentax K-x iso 200", "iso": 200, "a": [1.17919078441947e-05, 5.52229712116575e-06, 8.14466834857774e-06], "b": [5.08539857565942e-08, -7.44286491740946e-08, 1.34689866497498e-07]},
            {"name": "Pentax K-x iso 400", "iso": 400, "a": [2.32422666175937e-05, 1.0663087786159e-05, 1.56425112185104e-05], "b": [9.25354928581385e-08, -1.14397212258652e-07, 3.09058950338858e-07]},
            {"name": "Pentax K-x iso 800", "iso": 800, "a": [4.50984884294466e-05, 2.01398787150773e-05, 3.09911879112039e-05], "b": [3.23969553142247e-07, 6.78171612427272e-08, 6.25272598357679e-07]},
            {"name": "Pentax K-x iso 1600", "iso": 1600, "a": [8.711933969702e-05, 3.93452086527508e-05, 6.06109541893504e-05], "b": [1.0794823832037e-06, 4.57390681907966e-07, 1.65248517451635e-06]},
            {"name": "Pentax K-x iso 3200", "iso": 3200, "a": [0.000112206026395514, 4.62734901808337e-05, 7.79217467241133e-05], "b": [-3.92579968277323e-07, -5.77225042629809e-07, 1.10981153408388e-07]},
            {"name": "Pentax K-x iso 6400", "iso": 6400, "a": [0.000224828833066249, 9.0372127524656e-05, 0.000148698019869859], "b": [-1.3754523998075e-06, -2.13009588056015e-06, 7.01772655051384e-07]},
            {"name": "Pentax K-x iso 12800", "iso": 12800, "a": [0.000436333184304212, 0.000172418953534638, 0.000290077815985367], "b": [-2.6555286023e-06, -5.00216442638314e-06, 1.78363603676931e-06]}
          ]
        },
        {
          "comment": "pentax *ist DL by simon harhues",
          "model": "*ist DL",
          "profiles": [
            {"name": "Pentax *ist DL iso 200", "iso": 200, "a": [2.99163379217187e-06, 3.83163191739904e-06, 7.52885680139871e-06], "b": [4.28245746973165e-08, 1.90428204192517e-08, 4.23572635614955e-08]},
            {"skip": true, "name": "Pentax *ist DL iso 200", "iso": 200, "a": [3.75642334433331e-06, 3.52036458465918e-06, 8.62867250980668e-06], "b": [4.00801358138718e-08, 3.43148265705634e-08, 3.64448197110518e-08]},
            {"name": "Pentax *ist DL iso 400", "iso": 400, "a": [7.73829814472718e-06, 4.58320726362355e-06, 6.63863989505961e-06], "b": [7.03041975818957e-08, 4.29403005233088e-08, 7.33245569013743e-08]},
            {"skip": true, "name": "Pentax *ist DL iso 400", "iso": 400, "a": [6.14687287568041e-06, 5.14472172974309e-06, 8.86632630549476e-06], "b": [5.84274598683322e-08, 4.69318991679077e-08, 7.88079165408211e-08]},
            {"skip": true, "name": "Pentax *ist DL iso 400", "iso": 400, "a": [4.66911547604429e-06, 4.69927275413539e-06, 1.08170077581298e-05], "b": [6.77661825632395e-08, 4.52281117689964e-08, 6.92812807563583e-08]},
            {"skip": true, "name": "Pentax *ist DL iso 400", "iso": 400, "a": [4.14608569460242e-06, 4.92733911677844e-06, 1.20556537221338e-05], "b": [7.23846371157344e-08, 4.43900140725381e-08, 6.60496371370306e-08]},
            {"name": "Pentax *ist DL iso 800", "iso": 800, "a": [1.56235116891899e-05, 8.78729801778483e-06, 1.30000050161256e-05], "b": [2.50664653626102e-07, 1.79085901856254e-07, 2.6855239841425e-07]},
            {"skip": true, "name": "Pentax *ist DL iso 800", "iso": 800, "a": [1.62929158949367e-05, 9.40189214528963e-06, 1.34829848752077e-05], "b": [2.57967143564267e-07, 1.66326686905415e-07, 2.62306848644228e-07]},
            {"name": "Pentax *ist DL iso 1600", "iso": 1600, "a": [3.35175535377488e-05, 1.7967468239465e-05, 2.54935456686573e-05], "b": [8.81630812108316e-07, 6.17153159387754e-07, 9.32238812149751e-07]},
            {"skip": true, "name": "Pentax *ist DL iso 1600", "iso": 1600, "a": [3.29024075857362e-05, 1.73981705030019e-05, 2.41320859670995e-05], "b": [9.15350589659632e-07, 6.39769816590013e-07, 9.91040555900127e-07]},
            {"skip": true, "name": "Pentax *ist DL iso 1600", "iso": 1600, "a": [3.44102905162781e-05, 2.04498734204619e-05, 3.38381496237146e-05], "b": [1.31428744257887e-06, 9.41268012297171e-07, 1.39638254986501e-06]},
            {"skip": true, "name": "Pentax *ist DL iso 1600", "iso": 1600, "a": [3.07868922778192e-05, 1.75166336967868e-05, 2.85234543793148e-05], "b": [9.37692677364703e-07, 6.53008807385743e-07, 9.48132497065059e-07]},
            {"name": "Pentax *ist DL iso 3200", "iso": 3200, "a": [7.32931797676231e-05, 3.51194390052015e-05, 5.7064239608782e-05], "b": [3.24259468845176e-06, 2.3827631264612e-06, 3.47623151456767e-06]},
            {"skip": true, "name": "Pentax *ist DL iso 3200", "iso": 3200, "a": [7.27242956520745e-05, 3.57922123946732e-05, 4.83626767612554e-05], "b": [3.20991248459299e-06, 2.34323953286627e-06, 3.45544230554926e-06]},
            {"skip": true, "name": "Pentax *ist DL iso 3200", "iso": 3200, "a": [6.47643757904682e-05, 3.47044098167856e-05, 5.28528714396698e-05], "b": [3.60842436898298e-06, 2.55861098565413e-06, 3.7839180628943e-06]},
            {"skip": true, "name": "Pentax *ist DL iso 3200", "iso": 3200, "a": [6.26361802020194e-05, 3.4289670525043e-05, 5.12948231066463e-05], "b": [4.0212359199225e-06, 2.76432312537909e-06, 4.31794471437447e-06]}
          ]
        },
        {
          "comment": "pentax k-3 by tx0h. iso 25600+ graphs don't really match, but variance seems to still stabilise ~1.",
          "model": "K-3",
          "profiles": [
            {"name": "Pentax K-3 iso 100", "iso": 100, "a": [1.05212362141226e-05, 3.94809021650713e-06, 7.84296497873154e-06], "b": [3.24863757063071e-09, 2.70306560025622e-09, 3.36422379205466e-09]},
            {"name": "Pentax K-3 iso 200", "iso": 200, "a": [1.00886456850057e-05, 3.85095373926875e-06, 7.84940704880726e-06], "b": [2.30392236218314e-09, 2.02513037583613e-09, 2.30379918325379e-09]},
            {"name": "Pentax K-3 iso 400", "iso": 400, "a": [1.95282106024963e-05, 7.07369635977605e-06, 1.41936380070267e-05], "b": [8.46586155002119e-09, 7.23070046715332e-09, 8.65535747943075e-09]},
            {"name": "Pentax K-3 iso 800", "iso": 800, "a": [3.71072664898607e-05, 1.42873655659095e-05, 2.69272266528984e-05], "b": [2.4662386658184e-08, 1.99068520353875e-08, 2.53153782275682e-08]},
            {"name": "Pentax K-3 iso 1600", "iso": 1600, "a": [7.66923132504426e-05, 2.91740299886235e-05, 5.80021550757725e-05], "b": [5.52664739649506e-08, 4.45832034762538e-08, 5.67444574095942e-08]},
            {"name": "Pentax K-3 iso 3200", "iso": 3200, "a": [0.000114399936261757, 4.61001261387223e-05, 8.46793491919569e-05], "b": [1.42588177773058e-07, 1.03623829839519e-07, 1.43206467059716e-07]},
            {"name": "Pentax K-3 iso 6400", "iso": 6400, "a": [0.000143943303396064, 9.96205678980323e-05, 0.000133443403989444], "b": [3.08856258390386e-07, 2.08617382626526e-07, 3.08048202097564e-07]},
            {"name": "Pentax K-3 iso 12800", "iso": 12800, "a": [0.000225150014780407, 0.000298611475032959, 0.000263279516697261], "b": [4.66621327765493e-07, 2.34204034466301e-07, 4.52935958198772e-07]},
            {"name": "Pentax K-3 iso 25600", "iso": 25600, "a": [0.00052468915233115, 0.000840706578816058, 0.000754318058388537], "b": [7.84951259958916e-07, 2.57623760531695e-07, 7.24203708279665e-07]},
            {"name": "Pentax K-3 iso 51200", "iso": 51200, "a": [0.00133964836551631, 0.0019016742166224, 0.0016671674349937], "b": [1.07173308657303e-06, 2.29940172320269e-07, 9.51130321559826e-07]}
          ]
        },
        {
          "comment": "k-3 ii contributed by zoltan. iso 25600+ graphs don't match well, but this is the same for K-3 and seems camera model specific",
          "model": "K-3 II",
          "profiles": [
            {"name": "K-3 II iso 100", "iso": 100, "a": [9.06110231252642e-06, 3.57419098087832e-06, 6.86083198118061e-06], "b": [2.81774050978302e-09, 3.15994036501297e-09, 4.22317452653176e-09]},
            {"name": "K-3 II iso 125", "iso": 125, "a": [1.20432491469386e-05, 4.56836912603931e-06, 8.60311802849304e-06], "b": [4.83917916625222e-09, 4.6376134237415e-09, 5.39222496132057e-09]},
            {"name": "K-3 II iso 140", "iso": 140, "a": [1.25477695861342e-05, 4.95820575569503e-06, 9.67922672911343e-06], "b": [3.72096992851787e-09, 4.51405951964822e-09, 6.35669081728044e-09]},
            {"name": "K-3 II iso 160", "iso": 160, "a": [1.40177814918948e-05, 5.3188668252832e-06, 1.00320744477172e-05], "b": [6.64068267057429e-09, 5.73435270007784e-09, 7.68872261472247e-09]},
            {"name": "K-3 II iso 200", "iso": 200, "a": [1.02522071888692e-05, 3.77097838206827e-06, 6.38379334214133e-06], "b": [3.36293903299299e-09, 2.12450825470684e-09, 3.59052687179827e-09]},
            {"name": "K-3 II iso 250", "iso": 250, "a": [1.29698479473401e-05, 4.740876371302e-06, 8.14253627790677e-06], "b": [4.40268403988337e-09, 3.36481009441722e-09, 5.08056683926568e-09]},
            {"name": "K-3 II iso 280", "iso": 280, "a": [1.38004897533121e-05, 5.2251335710399e-06, 9.21760103471891e-06], "b": [3.39181480531527e-09, 3.3397422110195e-09, 5.53080684811684e-09]},
            {"name": "K-3 II iso 320", "iso": 320, "a": [1.50963494482097e-05, 5.56759808112833e-06, 9.63870385094014e-06], "b": [4.49925054869668e-09, 4.2058686474686e-09, 5.66504307388537e-09]},
            {"name": "K-3 II iso 400", "iso": 400, "a": [1.9111586708867e-05, 7.09393771859598e-06, 1.23870851127212e-05], "b": [6.35925100948917e-09, 5.82106244947655e-09, 8.02816624843039e-09]},
            {"name": "K-3 II iso 500", "iso": 500, "a": [2.43446772106202e-05, 9.10720999858748e-06, 1.5876872399282e-05], "b": [9.34939499867838e-09, 8.06539827938284e-09, 1.10010962493755e-08]},
            {"name": "K-3 II iso 560", "iso": 560, "a": [2.62911984765013e-05, 1.00003613901946e-05, 1.77833377284792e-05], "b": [7.94101445182925e-09, 7.53190184738702e-09, 1.24615482660796e-08]},
            {"name": "K-3 II iso 640", "iso": 640, "a": [2.86266504641822e-05, 1.07440422769081e-05, 1.88596161926491e-05], "b": [1.23253242924304e-08, 9.55624233218554e-09, 1.42366887781025e-08]},
            {"name": "K-3 II iso 800", "iso": 800, "a": [3.69673267473923e-05, 1.39419384138149e-05, 2.44710272957519e-05], "b": [1.61129421546364e-08, 1.26934106346471e-08, 1.75051019324317e-08]},
            {"name": "K-3 II iso 1000", "iso": 1000, "a": [4.76079467561009e-05, 1.80283347255739e-05, 3.16609922059979e-05], "b": [2.2662866614516e-08, 1.79284014892992e-08, 2.40224126157171e-08]},
            {"name": "K-3 II iso 1100", "iso": 1100, "a": [5.11027023854026e-05, 1.97204294141461e-05, 3.55007521596026e-05], "b": [2.37167268643274e-08, 1.86173713022804e-08, 2.83414147446849e-08]},
            {"name": "K-3 II iso 1250", "iso": 1250, "a": [5.65880522030136e-05, 2.1459786880297e-05, 3.78307228577001e-05], "b": [2.92262136253383e-08, 2.28437671323204e-08, 3.1895404169084e-08]},
            {"name": "K-3 II iso 1600", "iso": 1600, "a": [7.37565247622869e-05, 2.82159472849522e-05, 4.99755849635759e-05], "b": [2.86508681843868e-08, 2.55275702501485e-08, 3.44701177801381e-08]},
            {"name": "K-3 II iso 2000", "iso": 2000, "a": [9.52573492023493e-05, 3.67375613031902e-05, 6.52681077982314e-05], "b": [3.77619109825489e-08, 3.23936467581533e-08, 4.18455526579836e-08]},
            {"name": "K-3 II iso 2200", "iso": 2200, "a": [0.000101941643128041, 3.99861898990479e-05, 7.31585375717519e-05], "b": [4.22499610380173e-08, 3.4824706680612e-08, 5.00338583742427e-08]},
            {"name": "K-3 II iso 2500", "iso": 2500, "a": [0.000113539114412558, 4.38020396191306e-05, 7.7430198209754e-05], "b": [4.77613460824809e-08, 3.84443352715389e-08, 5.37962298042893e-08]},
            {"name": "K-3 II iso 3200", "iso": 3200, "a": [0.000143999307898197, 5.46457561628249e-05, 9.72467529836236e-05], "b": [6.47680357373584e-08, 4.72864314998954e-08, 6.71000324243817e-08]},
            {"name": "K-3 II iso 4000", "iso": 4000, "a": [0.000185263234785305, 7.12034581674731e-05, 0.000125976169409728], "b": [9.46613865203879e-08, 6.86795893519369e-08, 9.6252326834007e-08]},
            {"name": "K-3 II iso 4500", "iso": 4500, "a": [0.000198243085894248, 7.78106968618745e-05, 0.000141608198619356], "b": [9.92973842541727e-08, 6.99107876376018e-08, 1.01900115135346e-07]},
            {"name": "K-3 II iso 5000", "iso": 5000, "a": [0.000220597306597024, 8.49290356986267e-05, 0.000150289329182165], "b": [1.12660242820844e-07, 8.87169819674309e-08, 1.19687703360836e-07]},
            {"name": "K-3 II iso 6400", "iso": 6400, "a": [0.000268776954005375, 0.000103611179970134, 0.000178851271164806], "b": [1.58144539569014e-07, 1.22152755410958e-07, 1.74946436307769e-07]},
            {"name": "K-3 II iso 8000", "iso": 8000, "a": [0.000332476035828919, 0.000133557443016227, 0.000228332011353721], "b": [2.22826367848009e-07, 1.90236841370649e-07, 2.54678761753459e-07]},
            {"name": "K-3 II iso 9000", "iso": 9000, "a": [0.000361225200008634, 0.000146470286620133, 0.000255009668205198], "b": [2.45047073381342e-07, 2.07874736047785e-07, 2.81391059638357e-07]},
            {"name": "K-3 II iso 10000", "iso": 10000, "a": [0.000391691638065855, 0.000159480736506697, 0.000272331449557905], "b": [2.55246048949624e-07, 2.31300549839449e-07, 3.07237533334121e-07]},
            {"name": "K-3 II iso 12800", "iso": 12800, "a": [0.000429380483397859, 0.000177586347611966, 0.000309340133473026], "b": [3.36131054358355e-07, 2.82038835929429e-07, 3.98227953131619e-07]},
            {"name": "K-3 II iso 16000", "iso": 16000, "a": [0.000530111528147877, 0.000229441004685411, 0.000405418163164799], "b": [4.20343120482454e-07, 4.09664561906631e-07, 5.06360704709796e-07]},
            {"name": "K-3 II iso 18000", "iso": 18000, "a": [0.000594183680957149, 0.000253899358560316, 0.000439986061645282], "b": [4.27400411315015e-07, 4.02399919859095e-07, 5.47635577309452e-07]},
            {"name": "K-3 II iso 20000", "iso": 20000, "a": [0.000625921951873739, 0.000274441579606219, 0.000481556689762905], "b": [5.7777541673883e-07, 5.7466025231551e-07, 6.58378113714001e-07]},
            {"name": "K-3 II iso 25600", "iso": 25600, "a": [0.000685824683657057, 0.000312387265419551, 0.000537318449759782], "b": [7.38030849698401e-07, 8.64683370834818e-07, 8.15281905876655e-07]},
            {"name": "K-3 II iso 32000", "iso": 32000, "a": [0.000913924711589987, 0.000453735763391097, 0.000787644237714968], "b": [1.24572628416907e-06, 1.31437753050788e-06, 1.23825634549979e-06]},
            {"name": "K-3 II iso 36000", "iso": 36000, "a": [0.00101615132051068, 0.000535839940054623, 0.000867142079250926], "b": [1.2617156618119e-06, 1.49776735522524e-06, 1.46558513174702e-06]},
            {"name": "K-3 II iso 40000", "iso": 40000, "a": [0.00109940248507951, 0.000583046950126795, 0.00100065596860295], "b": [1.64933883907333e-06, 1.80827856730577e-06, 1.66930203724175e-06]},
            {"name": "K-3 II iso 51200", "iso": 51200, "a": [0.00158081849268821, 0.000840730247670715, 0.00142240706527719], "b": [1.71962274714465e-06, 2.03207129569652e-06, 1.98637805685755e-06]}
          ]
        },
        {
          "comment": "k-3 mark iii contributed by terry",
          "model": "K-3 Mark III",
          "profiles": [
            {"name": "K-3 Mark III iso 100", "iso": 100, "a": [3.98718301416759e-06, 1.39552102747803e-06, 2.86992734697824e-06], "b": [2.40760985500568e-09, 1.84861361638842e-09, 2.60865456956317e-09]},
            {"name": "K-3 Mark III iso 125", "iso": 125, "a": [4.7832582819644e-06, 1.66838102409642e-06, 3.41544033277835e-06], "b": [3.1826741943004e-09, 2.41951386115242e-09, 3.53215103255976e-09]},
            {"name": "K-3 Mark III iso 160", "iso": 160, "a": [6.1410273550315e-06, 2.11970570299507e-06, 4.38858573824275e-06], "b": [4.04697632296055e-09, 3.06059747615781e-09, 4.40466855557078e-09]},
            {"name": "K-3 Mark III iso 200", "iso": 200, "a": [3.77752862881309e-06, 1.3241910252572e-06, 2.70272173427697e-06], "b": [5.26982794086884e-10, 6.21510351432515e-10, 6.31619287816364e-10]},
            {"name": "K-3 Mark III iso 250", "iso": 250, "a": [4.04158979134545e-06, 1.46195963671272e-06, 2.87613925627011e-06], "b": [9.95175654120323e-10, 9.42539987534847e-10, 1.07687352174985e-09]},
            {"name": "K-3 Mark III iso 320", "iso": 320, "a": [3.42366295184326e-06, 1.35514336189203e-06, 2.39198979224979e-06], "b": [1.42326942612142e-09, 1.243464650683e-09, 1.41508617900199e-09]},
            {"name": "K-3 Mark III iso 400", "iso": 400, "a": [3.44981251837043e-06, 1.43919371640084e-06, 2.39627696111887e-06], "b": [1.7379436610551e-09, 1.50309081956618e-09, 1.72356909432064e-09]},
            {"name": "K-3 Mark III iso 500", "iso": 500, "a": [3.91627619388359e-06, 1.65916390899174e-06, 2.7153403378653e-06], "b": [2.21164563016402e-09, 1.87581095507032e-09, 2.15260315573003e-09]},
            {"name": "K-3 Mark III iso 640", "iso": 640, "a": [3.88040684041829e-06, 1.77749787917171e-06, 2.64420173135104e-06], "b": [2.08433622270483e-09, 1.8981122464249e-09, 2.17143266208937e-09]},
            {"name": "K-3 Mark III iso 800", "iso": 800, "a": [5.27242421073796e-06, 2.34333114811716e-06, 3.60397979446245e-06], "b": [2.42061015303928e-09, 2.09184497656313e-09, 2.36084564840172e-09]},
            {"name": "K-3 Mark III iso 1000", "iso": 1000, "a": [6.93896412885867e-06, 2.99437076215695e-06, 4.7384643947646e-06], "b": [3.02633854396997e-09, 2.55476486856256e-09, 3.02352324584228e-09]},
            {"name": "K-3 Mark III iso 1250", "iso": 1250, "a": [8.01850929972279e-06, 3.60048770473812e-06, 5.43738352951443e-06], "b": [3.16215499101582e-09, 2.88121249795309e-09, 3.16829899948215e-09]},
            {"name": "K-3 Mark III iso 1600", "iso": 1600, "a": [1.03887386231406e-05, 4.54681261112341e-06, 7.04514556835057e-06], "b": [4.58023902185642e-09, 4.12947455057648e-09, 4.51574176581992e-09]},
            {"name": "K-3 Mark III iso 2000", "iso": 2000, "a": [1.43778856364208e-05, 6.15836141297375e-06, 9.82255887913514e-06], "b": [6.54847266177666e-09, 5.7401078468705e-09, 6.6084519919159e-09]},
            {"name": "K-3 Mark III iso 2500", "iso": 2500, "a": [1.59582495428044e-05, 7.17594283657513e-06, 1.07963428112639e-05], "b": [7.02700511610615e-09, 6.34300314467792e-09, 7.0818310423987e-09]},
            {"name": "K-3 Mark III iso 3200", "iso": 3200, "a": [2.092661164583e-05, 9.19724176238284e-06, 1.42352509047832e-05], "b": [9.535143820964e-09, 8.29331928200411e-09, 9.37172951741837e-09]},
            {"name": "K-3 Mark III iso 4000", "iso": 4000, "a": [2.7640251478618e-05, 1.18579188001492e-05, 1.88562270433855e-05], "b": [1.30850119909928e-08, 1.08736864102425e-08, 1.24742806292165e-08]},
            {"name": "K-3 Mark III iso 5000", "iso": 5000, "a": [3.14310296267617e-05, 1.40883303429725e-05, 2.12609906339492e-05], "b": [1.37810243691885e-08, 1.13680138391465e-08, 1.35736730731797e-08]},
            {"name": "K-3 Mark III iso 6400", "iso": 6400, "a": [4.11318018120461e-05, 1.80799864370114e-05, 2.80059036279723e-05], "b": [1.76054220000882e-08, 1.31045133891745e-08, 1.64908704274103e-08]},
            {"name": "K-3 Mark III iso 8000", "iso": 8000, "a": [5.45536498621759e-05, 2.33885319196436e-05, 3.72504559140777e-05], "b": [2.52668754697483e-08, 1.74088861252377e-08, 2.27580431139881e-08]},
            {"name": "K-3 Mark III iso 10000", "iso": 10000, "a": [6.25957919536907e-05, 2.7888579050397e-05, 4.20146243585818e-05], "b": [2.75386478401728e-08, 2.06352691754477e-08, 2.58646173183665e-08]},
            {"name": "K-3 Mark III iso 12800", "iso": 12800, "a": [8.17968119110009e-05, 3.57828201399737e-05, 5.52864143178343e-05], "b": [3.83979621914782e-08, 2.8180712694869e-08, 3.65987431070576e-08]},
            {"name": "K-3 Mark III iso 16000", "iso": 16000, "a": [0.000108784641765205, 4.65778238788882e-05, 7.48351529051998e-05], "b": [5.54420017092997e-08, 3.89984391031384e-08, 5.23250966485093e-08]},
            {"name": "K-3 Mark III iso 20000", "iso": 20000, "a": [0.000130180791393, 5.6645337590776e-05, 8.79685234964159e-05], "b": [5.32830302346766e-08, 3.84254121496249e-08, 5.11626427113729e-08]},
            {"name": "K-3 Mark III iso 25600", "iso": 25600, "a": [0.000165306651607292, 7.0908276295301e-05, 0.000113737093994037], "b": [6.37756238210678e-08, 4.4809395703974e-08, 6.17812234988684e-08]},
            {"name": "K-3 Mark III iso 32000", "iso": 32000, "a": [0.000235276964861853, 9.78453526354698e-05, 0.000163743825361826], "b": [7.50194708964451e-08, 3.9829882332259e-08, 8.64470788963497e-08]},
            {"name": "K-3 Mark III iso 40000", "iso": 40000, "a": [0.000217336000477627, 9.14355802502553e-05, 0.000149200816848098], "b": [4.58332895429745e-08, 3.98639257036374e-08, 7.79960118048489e-08]},
            {"name": "K-3 Mark III iso 51200", "iso": 51200, "a": [0.000220581443533447, 9.09042117335659e-05, 0.000158507418482424], "b": [1.4655628557567e-07, 1.48318469313082e-07, 1.90479324746562e-07]},
            {"name": "K-3 Mark III iso 64000", "iso": 64000, "a": [0.000368785321032464, 0.000147254314070993, 0.000273234338326002], "b": [1.59188434310995e-07, 2.78823832644165e-07, 3.18147031753816e-07]},
            {"name": "K-3 Mark III iso 80000", "iso": 80000, "a": [0.000370455228011536, 0.000162180672296994, 0.000280162903804608], "b": [6.72922012017045e-08, 2.66591798430118e-07, 2.51437618743303e-07]},
            {"name": "K-3 Mark III iso 102400", "iso": 102400, "a": [0.000506592372370103, 0.000220772549402066, 0.000398799193280157], "b": [1.01527654730727e-07, 4.60996546616349e-07, 4.36734148328994e-07]},
            {"name": "K-3 Mark III iso 128000", "iso": 128000, "a": [0.000677276828095259, 0.000303475669724548, 0.000569530169618067], "b": [6.17143877451564e-07, 9.68617191623988e-07, 1.0680430569997e-06]},
            {"name": "K-3 Mark III iso 160000", "iso": 160000, "a": [0.000661864674481817, 0.00033068703912807, 0.000580024097948075], "b": [2.00492508397241e-07, 7.17061296846982e-07, 5.26524501819567e-07]},
            {"name": "K-3 Mark III iso 204800", "iso": 204800, "a": [0.000895904580444592, 0.000446309918194722, 0.000821072998141639], "b": [7.52070748245909e-07, 1.41206008396709e-06, 1.21799764903218e-06]},
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          "comment": "pentax k-1 contributed by matthieu volat",
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        {
          "comment": "*ist ds contributed by charles",
          "model": "*ist DS",
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            {"name": "*ist DS iso 400", "iso": 400, "a": [5.42331581504131e-06, 2.36771842594128e-06, 4.32840766839149e-06], "b": [3.09846227089757e-08, 1.87175064223599e-08, 3.09952295531221e-08]},
            {"name": "*ist DS iso 800", "iso": 800, "a": [1.10343201968951e-05, 4.6821868402846e-06, 8.7442354115601e-06], "b": [8.66882847544356e-08, 5.0440402515895e-08, 8.60897793102315e-08]},
            {"name": "*ist DS iso 1600", "iso": 1600, "a": [2.35380849074203e-05, 9.64804429366582e-06, 1.83082322427452e-05], "b": [2.19174537942613e-07, 1.28852960436607e-07, 2.17187639478601e-07]},
            {"name": "*ist DS iso 3200", "iso": 3200, "a": [5.3264012565536e-05, 2.07099227090594e-05, 3.99514459261682e-05], "b": [6.75603660930612e-07, 3.73826174799021e-07, 6.62666061852185e-07]}
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      "maker": "Phase One",
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          "profiles": [
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      "maker": "Raspberrypi",
      "models": [
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      "maker": "Samsung",
      "models": [
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          "model": "GX10",
          "profiles": [
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            {"name": "Samsung GX10 iso 640", "iso": 640, "a": [4.41596009456921e-05, 2.08649677613643e-05, 2.71361323128873e-05], "b": [-3.74287259842114e-07, -6.16584075639679e-07, -1.52161800076396e-07]},
            {"name": "Samsung GX10 iso 800", "iso": 800, "a": [5.41604043484142e-05, 2.54529668520349e-05, 3.43290782919279e-05], "b": [-5.91127704130443e-08, -4.18903758692897e-07, 1.20024989931595e-07]},
            {"name": "Samsung GX10 iso 1000", "iso": 1000, "a": [6.62850730261562e-05, 3.17771961537796e-05, 4.27137241321552e-05], "b": [1.41277701548127e-07, -5.03449593924017e-07, 3.51797132523966e-07]},
            {"name": "Samsung GX10 iso 1250", "iso": 1250, "a": [7.51789405808404e-05, 3.58916847071261e-05, 4.73712006780775e-05], "b": [2.77296624961085e-08, -6.43282394959506e-07, 4.02260433128856e-07]},
            {"name": "Samsung GX10 iso 1600", "iso": 1600, "a": [9.40466214217775e-05, 4.40633353160868e-05, 5.9431026273189e-05], "b": [5.67896354956397e-07, -2.50546497402051e-07, 1.40973645819231e-06]}
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        {
          "comment": "copied from pentax k20d",
          "model": "GX20",
          "profiles": [
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            {"name": "Samsung GX20 iso 320", "iso": 320, "a": [1.2460779459358e-05, 6.84553688565498e-06, 1.11664130967319e-05], "b": [9.3108993451478e-08, 6.46385683503627e-08, 8.92159897359798e-08]},
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            {"name": "Samsung GX20 iso 800", "iso": 800, "a": [3.51393604617489e-05, 1.91534616164118e-05, 3.12169746424556e-05], "b": [2.74407043557864e-07, 1.69204012209104e-07, 2.5635412197271e-07]},
            {"name": "Samsung GX20 iso 1000", "iso": 1000, "a": [4.21682824368782e-05, 2.29656811046294e-05, 3.81753379451198e-05], "b": [2.31363501898136e-07, 1.28343770414844e-07, 2.12761519015389e-07]},
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            {"name": "Samsung GX20 iso 2000", "iso": 2000, "a": [9.34542169290652e-05, 4.79600623094616e-05, 8.07012798898809e-05], "b": [5.37711955551401e-07, 3.04395806294451e-07, 5.08726304543126e-07]},
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        {
          "comment": "nx1 contributed by tore",
          "model": "NX1",
          "profiles": [
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            {"name": "NX1 iso 1250", "iso": 1250, "a": [8.51199850273942e-05, 4.32653152472505e-05, 7.05131131412222e-05], "b": [4.78881316266541e-07, 3.5551609882228e-07, 4.12802249431133e-07]},
            {"name": "NX1 iso 1600", "iso": 1600, "a": [0.000103927296403328, 5.16157819601849e-05, 8.35923266630547e-05], "b": [4.14736053227246e-07, 3.43105509824408e-07, 4.00868557795793e-07]},
            {"name": "NX1 iso 2000", "iso": 2000, "a": [0.000127065309001794, 6.32267790120773e-05, 0.000101788352913314], "b": [5.86322199277089e-07, 4.83577263817027e-07, 5.62861583572013e-07]},
            {"name": "NX1 iso 2500", "iso": 2500, "a": [0.000170474896320555, 8.31016808710022e-05, 0.000134446328478804], "b": [6.91521191695461e-07, 6.74479329897909e-07, 7.46302907658291e-07]},
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            {"name": "NX1 iso 4000", "iso": 4000, "a": [0.000282163625690315, 0.000138221874568739, 0.000225401954624715], "b": [7.03712436797629e-07, 7.63350713702795e-07, 8.4059280408688e-07]},
            {"name": "NX1 iso 5000", "iso": 5000, "a": [0.000351000082221045, 0.00017158211272135, 0.00028127471801242], "b": [1.27057496885776e-06, 1.44502670128172e-06, 1.53431545365152e-06]},
            {"name": "NX1 iso 6400", "iso": 6400, "a": [0.000416292236405777, 0.000203271463451881, 0.000333894038963325], "b": [1.64705770001856e-06, 1.93244120246498e-06, 2.02489167044943e-06]},
            {"name": "NX1 iso 8000", "iso": 8000, "a": [0.00051712370965122, 0.000259341525136785, 0.000426003962253312], "b": [2.54365815912352e-06, 3.01940198446685e-06, 3.13979330310536e-06]},
            {"name": "NX1 iso 10000", "iso": 10000, "a": [0.000676981733189039, 0.000338733268070606, 0.000559495110232569], "b": [4.06947130431073e-06, 4.89177107229502e-06, 4.99301426071015e-06]},
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          ]
        },
        {
          "comment": "samsung nx10 contributed by Benjamin Hartmann. dark regions are 2x--3x variance.",
          "model": "NX10",
          "profiles": [
            {"name": "Samsung NX10 iso 100", "iso": 100, "a": [7.65735549362913e-06, 4.18741471878906e-06, 6.91666119907651e-06], "b": [1.04070307329532e-07, 5.59035525568829e-08, 9.65756542733997e-08]},
            {"name": "Samsung NX10 iso 200", "iso": 200, "a": [1.49994148703597e-05, 8.07994047740921e-06, 1.34051992764919e-05], "b": [1.59543146310844e-07, 6.53548388731254e-08, 1.17565449136037e-07]},
            {"name": "Samsung NX10 iso 400", "iso": 400, "a": [2.78483245307609e-05, 1.50462772059569e-05, 2.43376111339857e-05], "b": [4.43369696384773e-07, 2.67990879169606e-07, 4.00159340412934e-07]},
            {"name": "Samsung NX10 iso 800", "iso": 800, "a": [6.2189516883651e-05, 3.22161023858762e-05, 5.40503479042483e-05], "b": [1.36125869630645e-06, 7.44485259653261e-07, 1.13880659521414e-06]},
            {"name": "Samsung NX10 iso 1600", "iso": 1600, "a": [9.21346053521494e-05, 4.89527138033317e-05, 8.23199072877294e-05], "b": [3.11814678712925e-06, 2.16863169936236e-06, 2.90389148342322e-06]},
            {"name": "Samsung NX10 iso 3200", "iso": 3200, "a": [0.000177960506523153, 9.08869401870464e-05, 0.000155735138542919], "b": [1.08363769753609e-05, 7.89650015794136e-06, 1.02035701747638e-05]}
          ]
        },
        {
          "comment": "samsung nx100, contributed by pascal de bruijn, variance doesn't seem to stabilize well in dark areas",
          "model": "NX100",
          "profiles": [
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          "comment": "ilce-7s by Malte Cornils, bright regions underrepresented in image, slightly more noise there (like +10% at most)",
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        {
          "comment": "Sony nex 6, contributed by christophe vescovi (same sensor: nex-5r nex-f3)",
          "model": "NEX-6",
          "profiles": [
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          "comment": "Sony nex-7, contributed by thorsten bronger",
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          "profiles": [
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        {
          "comment": "Sony nex-c3 contributed by dennis gnad - the sensor should be similar/same as: Nikon D7000, Sony SLT-A35, Sony Nex-5N",
          "model": "NEX-C3",
          "profiles": [
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          "comment": "Sony a55 by Jean-Marc Sarat",
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        {
          "comment": "Sony slt a57 by baptiste pierrat",
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