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Normas DIN – AENOR
DIN ISO 6846:1994-05

DIN ISO 6846:1994-05

Photography; black-and-white continuous-tone papers; determination of ISO speed and range for printing; identical with ISO 6846:1992

Photographie; papiers noir et blanc pour images à tons continus; détermination de la sensibilité ISO et de l'étendue ISO pour le tirage; identique à ISO 6846:1992

Photographie; Schwarzweiß-Halbtonpapiere; Bestimmung der ISO-Empfindlichkeit und des ISO-Kopierumfangs; Identisch mit ISO 6846:1992

1994-05 /Active
Equivalencias internacionales:

ISO 6846 (1992-12)

The document specifies a method to determine the ISO speed and range for printing of black-and-white photographic papers used to make positive reflection prints of continuous-tone subjects from black-and-white film negatives. 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.
Classification, Classification systems, Continuous-tone images, Copying, Definitions, Film speeds, Half tone, ISO-Code, Measuring techniques, Monochrome photography, Photography, Photosensitive papers, Sampling methods, Storage
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