ISO INTERNATIONAL STANDARD 3664 Third edition 2009-04-15 Graphic technology and photography - Viewing conditions Technologie graphique et photographie Conditions d'examen visuel Reference number ISO 3664:2009(E) @ ISO 2009 by IHS under lic Not for Resale ISO3664:2009(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below COPYRIGHTPROTECTEDDOCUMENT @ ISO2009 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, IsO's member body in the country of the requester. ISO copyright office Case postale 56. CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO 2009 - All rights reserved edwithoutlicense from IHS Not for Resale ISO 3664:2009(E) Contents Page Foreword Introductior 1 Scope 2 Normative references 3 Terms and definitions 4 Viewing condition requirements 4.1 General requirements... 4.2 Conditions for critical comparison (viewing conditions P1 and T1) 4.3 Conditions for practical appraisal of prints, including routine inspection (viewing condition P2) ... 4.4 Conditions for viewing small transparencies by projection (viewing condition T2).. 11 4.5 Conditions for appraisal of images displayed on colour monitors...... 12 5 Test methods. 13 5.1 Spectral measurements 13 5.2 Illuminance and luminance. 13 5.3 Resolution assessment for projection viewing apparatus.. 14 Annex A (informative) Summary of viewing conditions specified in this International Standard... ....15 Annex B (informative) Experimental data leading to selection of metamerism indices and reference illuminant for this International Standard 2) . .16 Annex C (informative) Guidelines for judging and exhibiting photographs . 22 Annex D (informative) Spectral power distribution conformance testing.. .. 24 Annex E (informative) Guidelines for viewing conditions to match measurement condition M2.. ...33 Bibliography .. Copyright internatinal organizaio far standardizalion ghts reserved ii THS und se from IHS Not for Resale