ISO INTERNATIONAL STANDARD 14490-1 First edition 2005-10-15 Optics and optical instruments Test methods for telescopic systems - Part 1: Test methods for basic characteristics Optique et instruments d'optique - Methodes d'essai pour systemes telescopiques- Partie 1: Methodes d'essai des caracteristiques fondamentales Reference number ISO 14490-1:2005(E) @ ISO 2005 Copyright International Organization for Standardization ted without license from IHS Not for Resale ISO 14490-1:2005(E) PDF disclaimer 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 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 ?ISO2005 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, IsO's member body in the country of the requester. ISO copyright office Case postale 56 . CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland Copyightinteratinal organization for Standardization @ ISO 2005 - All rights reserved nitted without licensefromIHS Not for Resale ISO 14490-1:2005(E) Contents Page Foreword 1 Scope. 1 2 Normative references. 3 Terms and definitions .... 4 Method of measurement of the angular magnification. 4.1 General.. 4.2 Test arrangement.... 4.3 Procedure...... 4.4 Determinationofresults. 4.5 Test report ........ 5 Method of measurement of the entrance pupil diameter... 5.1 5.2 Test arrangement.... 5.3 Procedure.. 5.4 Determination of results .. 5.5 6 Method of measurement of the exit pupil diameter and eye relief .. 6.1 General...... 6.2 Test arrangement.... 6.3 6.4 6.5 Test report ... 7 Method of measurement of the angular field of view in the object space. 7.1 General... 7.2 Test arrangement.... 7.3 Procedure.... 7.4 Determination of results ... 7.5 Test report............ 8 Method of measurement of the angular field of view in the image space .... 8.1 8.2 Test arrangement.. 8.3 Procedure .... 8.4 Determination of results ..... 8.5 .9 9 Method of measurement of the angular field of view in the object space for spectacle wearers... .9 9.1 General..... 9 9.2 Test arrangement...... 9.3 Procedure.. .9 9.4 Determination of results .... 11 9.5 Test report ... 10 Method of measurement of the collimation of rays emergent from the eyepiece .. 10.1 10.2 Test arrangement. 11 10.3 Procedure.... 12 10.4 Determination of results .... .12 10.5 Test report ..... Copyrght International Organizaion for stardardizalo'ghts reserved ili out license from IHS Not for Resale ISO 14490-1:2005(E) 11 11.1 General.. 11.2 Test arrangement .. 12 11.3 13 11.4 Determination of results.. 11.5 Test report... 13 12 Method of determination of the closest distance of observation ..14 12.1 General... .14 12.2 Test arrangement .... 12.3 Procedure 12.4 Determination of results 14 12.5 Test report. 14 13 General test report 14 CopyrightInernationalOrganizationforStandardizatin @ Iso 2005-All rights reserved Reproduced by IHS unde Not for Resale ISO 14490-1:2005(E) Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards bodies (lsOmemberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughIso non-governmental, in liaison with IsO, also take part in the work. iso collaborates closely with the International Electrotechnic