719664

ISO 6846:1992

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

standard by International Organization for Standardization , 12/01/1992

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Full Description

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.

 

Product Details

Published:
12/01/1992
Number of Pages:
9
File Size:
1 file , 2 MB
Same As:
BS ISO 6846:1992, BS ISO 6846:1992
Note:
This product is unavailable in Ukraine, Russia, Belarus