KS A ISO 12232-2011 Photography-Digital still cameras-Determination of exposure index KS speed ratings standard output sensitivity and recommended exposure index《摄影 电子式摄影照相机 ISO感光度.pdf
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2、3 .1 4 (exposure index values) 3 5 .4 6 KS 5 7 .9 8 specification of Recommended Exposure Index(REI) .9 A( ) KS 12 B( ) .14 C( ) SOS .15 D( ) 16 E( ) - .17 18 1 ISO ISO .11 D.1 (4 ) .16 A.1 13 KS A ISO 12232:2011 ii 2006 2 ISO 12232, Photography Digital still cameras Determination of exposure index,
3、 ISO speed ratings, standard output sensitivity, and recommended exposure index , . KS A ISO 12232:2011 , , KS , Photography Digital still cameras Determination of exposure index, KS speed ratings, standard output sensitivity, and recommended exposure index 1 , KS , KS . . 2 . . ( ) . KS A ISO 7589,
4、 , KS A ISO 14524, (OECF) (OECFs) ISO 554, Standard atmospheres for conditioning and/or testing Specifications IEC 61966 2 1, Multimedia systems and equipment Colour measurement and management Part 2 1: Colour management Default RGB colour space sRGB ITU-R BT.709, Parameter values for the HDTV stand
5、ard for production and international programme exchange 3 . 3.1 (DSC: Digital Still Camera) . . 3.2 (EI: Exposure Index) KS A ISO 12232:2011 2 . 3.3 (exposure series) 3.4 (image sensor) CCD . 3.5 KS (KS speed) , KS . (DSC) KS . 3.6 KS (KS speed latitude) , KS . 3.7 (photosite intergration time) 3.8
6、(REI: Recommended Exposure Index) DSC REI . . 3.9 (signal processing) , 3.10 (SOS: Standard Output Sensitivity) DSC KS A ISO 12232:2011 3 SOS DSC . . 4 (exposure index values) 4.1 (EI) . DSC . DSC KS . . , DSC KS . , . 4.2 (focal plane measurement) 75/100 . IEI 10/Ha(1) Ha: lux-sec(lxs) 1 (1) 10 KS
7、A ISO 2721, KS A ISO 5763 . . , . . . Hurter&Driffield( ) . ( ) . 2 100 % 18 % . 90 % 2/10 . 4.3 (scene luminance measurement) (1) (2) , . eff2aa10065AtLH = (2) Aeff: La: (Cd) KS A ISO 12232:2011 4 t : La , . . Aeff (1 1/R)f#(3) R : f#: , . (2) (1) (4) . tLAIaeff2EI10154= (4) 5 5.1 DSC KS , . , KS .
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- KSAISO122322011PHOTOGRAPHY DIGITALSTILLCAMERAS DETERMINATIONOFEXPOSUREINDEXKSSPEEDRATINGSSTANDARDOUTPUTSENSITIVITYANDRECOMMENDEDEXPOSUREINDEX

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