ISO INTERNATIONAL 518 STANDARD Second edition 2006-05-15 Photography Camera accessory shoes, with and without electrical contacts, for photoflash lamps and electronic photoflash units Specification Photographie-Griffespouraccessoiresd'appareilsdeprisesdevue, avec etsans contacts électriquespourlampesaéclairs etéquipements électroniquesaéclairs-Specifications Reference number ISO 518:2006(E) @ISO2006 ISO 518:2006(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 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 the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. @ISO2006 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 memberbody 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 ISO 518:2006(E) Foreword IsO (the International Organization for Standardization)is a worldwidefederation of national standards bodies 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 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. ISO518 was preparedbyTechnicalCommittee ISO/TC 42, Photography. This second edition cancels and replaces the first edition (ISO 518:1977), of which Table 1 and Figure 1 have been technicallyrevised. ISO 518:2006(E) INTERNATIONALSTANDARD Photography Camera accessory shoes, with and without electrical contacts, for photoflash lamps and electronic photoflash units Specification Scope 1 This International Standard specifies the dimensions of camera accessory shoes,with and without electrical contacts, for photoflash lamps and electronic photoflash units. The dimensions given in Figures 1 and 2 are basic for the solid shoe. When an accessory shoe is equipped with springs or other devices for holding the accessory foot tightly or maintaining good electrical contact, the dimensions of the shoe can be changed within the range in which their interchangeability and functions will not be affected. 2 Dimensions The dimensions shall be as given in Figures 1 and 2. 3 Construction details 3.1 Accessoryshoeswithandwithoutelectricalcontact 3.1.1Clearancefortheaccessoryequipment 3.1.1.1 A rectangular area, Area A of Figure 3, extending 12,5 mm in front, 25,0 mm at the back of the shoe and 25,0 mm to the right and to the left of the centre of the shoe, shall be devoid of obstruction higher than 2, mm above the top surface of the shoe. 3.1.1.2 A circular area, Area B of Figure 3, of diameter 30,0 mm, located as dimensioned in Figure 3, shall be devoid of obstruction higher than the top surface of the shoe. 3.1.2Clearanceforinsertionoftheaccessoryequipmentfoot A rectangular area, Area C of Figure 3, extending 25,0 mm from the back of the shoe and 20,0 mm wide, shall be devoid of any obstruction above the plane of