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I3A IT2.21-1994
- Photography - Colour Reversal Camera Films - Determination of ISO Speed (revision and redesignation of ANSI PH2.21-1983 and ANSI/ISO 2240-1982) (same as ANSI/ISO 2240-1994)
- standard by International Imaging Industry Association, 04/14/1995
- Publisher: I3A
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This lnternatlonal Standard specifies the method fordetermlnlng the IS0 speed of colour reversal camerafilms producrng continuous-tone prctorial images thatare intended to be viewed on transparency tllumlnatorsor by prelection as slrdes It also applies to8 mm and 16 mm motion-picture films used in nonprofesslonalapplications.This International Standard does not apply to professionalmotion-picture films used in non-professional applications.
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