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AS ISO 12647.1-2012
$119.22
Graphic technology — Process control for the production of half-tone colour separations, proof and production prints, Part 1: Parameters and measurement methods
Adopts ISO 12647-1:2004 to list and explain the minimum set of primary process parameters required to uniquely define the visual characteristics and related technical properties of a proof or production print produced directly from digital data or from a set of half-tone separation films.
Table of contents
Header
About this publication
Preface
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 General
4.2 Data file, colour separation films and printing formes
4.2.1 Quality (film only)
4.2.2 Screen frequency (film or printing forme only)
4.2.3 Screen angle (film or printing forme only)
4.2.4 Dot shape and its relationship to tone value (film or printing forme only)
4.2.5 Image size tolerance (film or printing forme only)
4.2.6 Tone-value sum (data or film only)
4.2.7 Grey balance (data or film)
4.3 Proof or production print
4.3.1 General
4.3.2 Visual characteristics of image components
4.3.2.1 Print substrate colour
4.3.2.2 Print substrate gloss
4.3.2.3 Ink set colours
4.3.2.4 Ink set gloss
4.3.3 Tone-value reproduction limits
4.3.4 Tolerance for image positioning
4.3.5 Tone-value increase
5 Test methods
5.1 Screen angles
5.2 Tone value on a colour-separation film or of a data file
5.3 Tone value on the print
5.3.1 Reflection densitometer
5.3.2 Colorimeter (tristimulus colorimeter or spectrocolorimeter)
5.4 Tone value increase on the print
5.5 Gloss
5.6 Spectral measurement, computation of CIELAB colour co-ordinates and CIELAB colour differences
Annex A
A.1 Screen angles
A.2 Tone value on the colour-separation film or on a control-strip film
A.3 Tone value on the print
A.4 Tone-value increase on the print
A.5 Gloss
A.6 Colour co-ordinates and CIELAB colour differences
A.7 Reflectance-factor densities and relative densities
