150858194 48519030561218287 INTERNATIONAL ISO STANDARD 8581 First edition 1994-03-15 Photography --- Electronic flash equipment Connectors to synchro-cord Photographie - Flashs électroniques Connexion au cordon de synchronisation ISO Reference number ISO 8581:1994(E) Not for Resale 48519030561219113 8581 94 ISO 8581:1994(E) Foreword ISO (the international Organization for Standardization) is a worldwide federation of national standards bodies (lsO member bodies). The work of preparing International Standards is normally carried out through IsO which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in tiaison with iSO, aiso take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International a vote. International Standard ISO 8581 was prepared by Technical Committee ISO/TC42,Photography. CISO1994 All rights reserved.Unless otherwise specified, no part of this publication may be reproduced microfilm, without permission in writing from the publisher. International Organization for Standardization Case Postale 56· CH-1211 Geneve 20· Switzerland Printed in Switzerland ii Copyright International Organization for Standardizatior Not for Resale 4851903 0561220 935 1508581 94 0ISO ISO 8581:1994(E) Introduction The rapid increase in demand for electronic flash equipment has resulted in the enormous production of an unlimited number of types of electronic photoflash equipment, and the lack of International Standards for connec- tors between the flash unit and the synchro-cord to camera shutters has resulted in the proliferation of new designs of connectors which has con- tinued to grow at an alarming rate. In 1973, ISO/TC 42 decided to develop a standard for the above object. of plugs by amateur photographers and also to reduce the number of types of connectors used for electronic flash equipment. ili CopyrightIntemationalOrganizationfor Standardization without license from IHS Not for Resale