ISO INTERNATIONAL STANDARD 6036 First edition 1996-05-01 Cinematography - Colour motion-picture prints and slides for television - Density specifications Cinématographie - Copies et diapositives cinematographiques couleur pourlatelévisionSpecificationsdesdensites So Reference number ISO 6036:1996(E) ISO 6036:1996(E) Foreword ISsO (the International Organization for Standardization) is a woridwide fed- eration of national standards bodies (isO member bodies). The work of preparing International Standards is normally carried out through iso technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be rep- non-governmental, in liaison with isO. also take part in the work. isO col- laboratescloselywiththelnternationalElectrotechnicalCommission(lEC) on all matters of electrotechnical standardization. Draft International Standards adopted by the technical committees are cir- culated to the member bodies for voting.Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. International Standard ISO 6036 was prepared byTechnical Committee ISO/TC 36, Cinematography. Annexes A and B of this International Standard are for information only. @ISO1996 All rights reserved. Unless otherwise specified, no part of this publication may be repro- duced or utilized in any form or by any means, electronic or mechanical, including photo- copying and microfilm, without permission in writing from the publisher International Organization for Standardization Case Postale 56 . CH-1211 Geneve 20· Switzerland Printed in Switzerland ii INTERNATIONALSTANDARD @ISO ISO 6036:1996(E) Cinematography - Colour motion-picture prints and slides for television - Density specifications Scope 3 Density requirements 1 This International Standard specifies principal density 3.1 The method of density measurement and the spectral quality of the densitometer shall conform to values for colour 16 mm and 35 mm motion-picture ISO 5-2 and ISO 5-3 respectively for ISO standard dif- printsandslidesintendedfortelevisiontransmission fuse visual density. 3.2 The density corresponding to television white 2 Normative references level shall be equivalent to 0,25 to 0,4 neutral density. including base density. This value is not intended to The following standards contain provisions which, apply to specular highlights and other small areas through reference in this text, constitute provisions of where details need not be reproduced. this International Standard. At the time of publication, the editions indicated were valid. All standards are NOTE 1 For films intended for direct projection, minimum subject to revision,and parties to agreements based densities depend upon the gray-scale characteristics of the on this International Standard are encouraged to in- film system used. vestigate the possibility of applying the most recent edition of the standards indicated below. Members of 3.3 The maximum density of a film print is deter- IEC and ISO maintain registers of currently valid Inter- mined by the scene contrast and the film transfer national Standards, characteristics. Shadow areas in which pictorial details are not present and in which the reproduction of detail ISO 5-2:1991, Photography Density is not essential to the picture may have densities in measure ments - Part 2: Geometric conditions for transmis- the range of 2,0 to 2,75, but it shall be recognized sion density. that, in such areas, both image gradation and colour may be distorted or lost entirely. The density range for ISO 5-3:1995, Photography Density optimum colour reproduction is expected to be be- measure ments -Part 3: Spectral conditions. tween 0,4 and 2,0.