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ISO 9378:1993

Current Revision

Photography -- Vesicular microfilm -- Determination of ISO speed and ISO range

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The principle of the method specified is exposing and processing samples as specified, obtaining density measurements from the resultant images to produce a sensitometric curve from which values are taken and used to determine ISO speed and ISO range. The method applies to vesicular microfilms which have their principal spectral sensitivity in the region of 350 nm to 450 nm and are used to produce negative-appearing images from positive originals and positive-appearing images from negative originals.


SDO ISO: International Organization for Standardization
Document Number ISO 9378
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 42/WG 3
Publish Date Document Id Type View
Not Available ISO 9378:1993 Revision