ISO INTERNATIONAL STANDARD 8578 Second edition 2012-06-01 Microscopes Marking of objectives and eyepieces Microscopes - Marquage des objectifs et des oculaires Reference number ISO 8578:2012(E) LSO @ISO2012 IHS under lic itted without license from IHS Not for Resale ISO8578:2012(E) COPYRIGHTPROTECTEDDOCUMENT ISO2012 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 Casepostale56·CH-1211Geneva 20 Tel. + 41 22 749 01 11 Fax + 4122 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO 2012 -All rights reserved y IHS unde etworking permitted without license from IHS Not for Resale ISO 8578:2012(E) Foreword SO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies 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 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO 8578 was prepared by Technical Committee ISO/TC 172, Optics and photonics, Subcommittee SC 5 Microscopesandendoscopes. This second edition cancels and replaces the first edition (isO 8578:1997) which has been technically revised It also incorporates the Technical Corrigendum ISO 8578:1997/Cor. 1:2002. ii Not for Resale