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BSI PD ISO/TS 20791-2:2021

BSI PD ISO/TS 20791-2:2021

$102.76

Photography. Photographic reflection prints – Evaluation of colour variation in printing

Published By Publication Date Number of Pages
BSI 2021 22
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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:

  1. test targets for small and large photographic prints;

  2. printing procedures and conditions;

  3. sampling in correspondence to the production scale;

  4. measurement of colour;

  5. calculation and analysis of colour variation and

  6. 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.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 3.1 Terms
3.2 Abbreviations
4 Test target
12 5 Printing
5.1 Environmental conditions
13 5.2 Procedures
6 Sampling
6.1 Reproducibility within a job
6.2 Colour variation between jobs
6.3 Colour variation between printed images located in different areas on a large sheet
14 7 Measurement
7.1 Measurement device
7.2 Timing of measurement
7.3 Measurement conditions
8 Calculation
8.1 General
15 8.2 Calculation of colour difference
18 8.3 Colour variation between jobs
9 Test report
9.1 In laboratory notebook
19 9.2 For business communications
21 Bibliography

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BSI PD ISO/TS 20791-2:2021
$102.76