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ISO 6846:1992-ed.2.0
Photography — Black-and-white continuous-tone papers — Determination of ISO speed and ISO range for printing
Automatically translated name:
Photography -- Black-and-white continuous-tone papers -- Determination of ISO speed and ISO range for printing
STANDARD published on 3.12.1992
The information about the standard:
Designation standards: ISO 6846:1992-ed.2.0
Publication date standards: 3.12.1992
SKU: NS-434308
The number of pages: 9
Approximate weight : 27 g (0.06 lbs)
Country: International technical standard
Category: Technical standards ISO
The category - similar standards:
Annotation of standard text ISO 6846:1992-ed.2.0 :
Description / Abstract: 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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