ISO INTERNATIONAL STANDARD 3272-6 First edition 2000-03-15 Microfilming of technical drawings and other drawing office documents : Part 6: Quality criteria and control of systems for enlargements from 35 mm microfilm Micrographie des dessins techniques et autres documents de bureau d'études- Partie 6: Criteres et controle de qualite des systemes pour I'agrandissement de microfilm de 35 mm Reference number ISO 3272-6:2000(E) ISO @ ISO 2000 ISO 3272-6:2000(E) PDFdisclaimer 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 downloading this 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 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. ?ISO2000 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56.CH-1211Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 734 10 79 E-mail copyright@iso.ch Web www.iso.ch Printed in Switzerland ii ISO 2000 - All rights reserved ISO 3272-6:2000(E) Contents Page Foreword.. .iv Introduction 1 Scope.. 7 2 Normative references. 1 3 Terms and definitions .. 4 Enlargementratios 5 Legibility. Annex A (informative) Readability of a print from a microfilmed engineering document. 3 Bibliography.. Iso2000-All rights reserved ili