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ISO 6846:1992

ISO 6846:1992

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Photographie — Papiers noir et blanc pour images à tons continus — Détermination de la sensibilité ISO et de l’étendue ISO pour le tirage

Published By Publication Date Number of Pages
ISO 1992-12 16
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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.

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ISO 6846:1992
$19.50