ISO INTERNATIONAL STANDARD 7589 Second edition 2002-02-01 Photography Illuminants for sensitometry Specifications for daylight, incandescent tungsten and printer Photographie - Illuminants sensitométriques - Spécifications pour la lumiere du jour, la lumiere artificielle et la tireuse Reference number ISO 7589:2002(E) So @ ISO 2002 ISO7589:2002(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 file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The ISO Central Secretariat accepts no liability in this area. Adobe is atrademark 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. ?ISO2002 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic 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 copyright@iso.ch Web www.iso.ch Printed in Switzerland @ISO2002-Allrights reserved ISO7589:2002(E) Contents Page Foreword.. iv Introduction 1 Scope 2 Normative references 3 Terms and definitions 4 IsO sensitometric illuminants 4.1 General..... 4.2 Iso sensitometric daylight illuminant . 4.3 Iso sensitometric studio tungsten illuminant. 4.4 Iso sensitometric photoflood illuminant 4.5 IsO sensitometric printer illuminant.... 5 Camera films: Spectral distribution index (ISO/SDl)..... 5.1 General.. 5.2 Weighted spectral sensitivity values 5.3 Calculation of the ISO/SD .. 5.4 TolerancesforISO/SDl.. 6 Black-and-white papers: Spectral distribution index (ISO/SDI). 6.1 General. 6.2 Weighted spectral sensitivity values.. 6.3 Calculation of the ISO/SDI.. 6.4 Tolerances for ISO/SDI.... Annex A (informative) Example sources Annex B (informative) Exposure calculations.. .12 Annex C (informative) Average colour film sensitivities.. 13 Annex D (informative) Average black-and-white printing paper sensitivities .14 Bibliography nserved ii