ISO INTERNATIONAL STANDARD 6200 Third edition 1999-10-15 Micrographics First generation silver-gelatin microforms of source documents Density specifications and method of measurement Micrographie - Microformes documentaires gelatino-argentiques de premiere génération Spécifications des densités et méthode de mesurage ISO Referencenumber ISO 6200:1999(E) HS under ted without license from IHS Not for Resale ISO 6200:1999(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (isO liaison with sO, also take part in the work. isO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 3. applications, Subcommittee Sc 1, Quantification of quality levels and control procedures. @ISO1999 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic ormechanical,includingphotocopyingandmicrotilm,withoutpermissioninwritingfromthepublisher nternationalOrganizationforStandardization Casepostale56·CH-1211Geneve20·Switzerland Internet iso@iso.ch Printed in Switzerland ational Organization for Standardizatior Not for Resale @ ISO ISO 6200:1999(E) Introduction Microforms should be of such quality that the information contained is clearly legible, and suitable for its intended use. It is therefore important that documents for microfilming conform to microfilming criteria. Controllingmicroimagedensityhelpstoensurethatgoodresultsareobtained. aadzao ili Not for Resale