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ISO 6846:1992

Photography -- Black-and-white continuous-tone papers -- Determination of ISO speed and ISO range for printing
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ISO 6846:1992

Photography -- Black-and-white continuous-tone papers -- Determination of ISO speed and ISO range for printing

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Pertains to all conventional silver-halide contact and enlarging papers used for continuous-tone or pictorial photography. The method is based on exposing and processing samples, performing density measurements from the resultant image to produce a sensitometric curve from which measurements are taken and used to determine ISO speed and ISO range values. Annexes A to C deal with the relationships between the paper range and the effective density range of the negative, log exposure range and contrast, and log exposure range and average gradient.

SDO ISO: International Organization for Standardization
Document Number ISO 6846
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 6846:1992 Revision