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ISO/TS 20791-2:2021

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Photography – Photographic reflection prints – Part 2: Evaluation of colour variation in printing

Published By Publication Date Number of Pages
ISO 2021-10 20
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This document describes the procedures for evaluation of colour variation in the printing of photographic reflection colour prints. The following procedures are described to evaluate colour variation in printing within a consecutive print job, between several print jobs, or between multiple photographic images printed in different areas of a large sheet:

a) test targets for small and large photographic prints;

b) printing procedures and conditions;

c) sampling in correspondence to the production scale;

d) measurement of colour;

e) calculation and analysis of colour variation and

f) reporting.

The procedures presented in this document are applicable for prints with a size of available picture area ranging from 35 cm2 (e.g. 5 cm × 7 cm) to 5 400 cm2 (e.g. 60 cm × 90 cm). This document is applicable to any of the photographic printing technologies, including inkjet, thermal dye transfer, electrophotography and silver halide (chromogenic) technologies.

ISO/TS 20791-2:2021
$27.30