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2、r direct-positive color-print camerasDetermination of ISO speed 1995 2 ISO 7187, Photography Materials for direct-positive colour-print cameras Determination of ISO speed . 1 ISO . . . 2 . . , . IEC ISO . KS M ISO 5 2： 2006, 2： KS M ISO 5 3： 2005, 3： KS M ISO 7589, , , 3 . 3.1 (exposure) H1) lux-sec
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4、7： 2007 3 . 5.3.3 KS M ISO 7589 . 5.3.4 ISO . “ ” . ISO . 5.3.5 400 nm 700 nm (light modulator) 5 % 0.03 . 360 nm 400 nm , 10 % 0.06 . (Stepped modulator) 0.15 . . , 10 ( ) , mm 0.04 . . 5.3.6 5 1/1 000 . 1/1 000 1/25 , 1/100 5 . , ISO . 5.4 5.4.1 (230.5), (505) % . , 2 . 2 . 5.4.2 KS A ISO 7187： 20
5、07 4 (230.5) . . . , ISO . , , , , . . . . 5.5 ISO KS M ISO 5 2 KS M ISO 5 3 . . (244) , (232), (505) % . 5.6 5.6.1 ISO lux-sec (H) 10 , 1 . 5.6.2 , . KS A ISO 7187： 2007 5 1 6 6.1 (Raw speed) . m9HS = Hm： (lux-sec) 0.50 . 6.1.1 ISO ISO ISO ISO 1 log10Hm . 1 log10Hm . log10Hm ISO . 6.1.2 ISO ( ) ISO
6、 4. 5.4, 5.5 log10Hm . (lux sec H) ISO KS A ISO 7187： 2007 6 6.2 , log10Hm 0.05 . 7 1 “ISO 100” . ISO ISO . KS A ISO 7187： 2007 7 1 ISO log10Hm ISO 2.60 2.50 2.40 2.30 2.20 2.10 2.00 1.90 1.80 1.70 1.60 1.50 1.40 1.30 1.20 1.10 1.00 0.90 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0.10 0.00 0.10 0.20 0.30 2.
7、51 2.41 2.31 2.21 2.11 2.01 1.91 1.81 1.71 1.61 1.51 1.41 1.31 1.21 1.11 1.01 0.91 0.81 0.71 0.61 0.51 0.41 0.31 0.21 0.11 0.01 0.09 0.19 0.29 0.39 3 200 2 500 2 000 1 600 1 250 1 000 800 640 500 400 320 250 200 160 125 100 80 64 50 40 32 25 20 16 12 10 8 6 5 4 KS A ISO 7187： 2007 8 A ( ) 1 ISO 554：
8、 1976, Standard atmospheres for conditioning and/or testing Specifications 2 ISO 2720： 1974, Photography General purpose photographic exposure meters(photoelectric type)Guide to product specification 3 ISO 3664： 1975, Photography Illumination conditions for viewing colour transparencies and their re
9、productions 4 CIE Publication No. 17.4： 1987, International Lighting Vocabulary ISO 135513 7017 (02)60094114 (02)600948878 http:/ KS A ISO 7187： 2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS PhotographyMaterials for directpositive colorprint cameras Determination of ISO speed ICS 37.040.20 Korean Agency for Technology and Standards http:/www.kats.go.kr
