ISO INTERNATIONAL STANDARD 8255-1 Third edition 2017-06 Microscopes Cover glasses - Part 1: Dimensional tolerances, thickness and optical properties Microscopes- Lamelles couvre-objet- Partie 1: Tolerances dimensionnelles, épaisseur et propriétés optiques Reference number IS0 8255-1:2017(E) International Organization for Standardization @ IS0 2017 e=ZHEJIANG INST OF STANDARDIZATION C1 5956617 ted without license from IHS IS0 8255-1:2017(E) COPYRIGHT PROTECTEDDOCUMENT IS0 2017, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyright@iso.org www.iso.org Licensee-ZHEJIANG INST OF STANDARDIZAISQ 07 - All rights reserved Not for Resale, 2017/8/21 02:14:16 networking permited without license from IHS IS0 8255-1:2017(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references 3 Terms and definitions 4 Requirements ..1 4.1 General. .1 4.2 Dimensional tolerances for thickness. 1 4.3 Dimensional tolerances for length, width and diameter .2 4.4 Optical properties... 5 Marking and labelling Annex A (informative) Guidelines for selection of cover glass type Annex B (informative) Typical dimensions for rectangular and round cover glasses ..5 Bibliography ..6 iii nsee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 without license from IHS Not for Resale, 2017/8/21 02:14:16