ISO INTERNATIONAL STANDARD 4241 Fifth edition 2019-07 Cinematography - Projection film leader (time-based), trailer and cue marks Specifications Cinématographie - Amorce de debut et fin et repere de synchronisation pour la projection Specifications Reference number IS0 4241:2019(E) @ IS0 2019 IS0 4241:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2019 All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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 CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Fax: +41 22 749 09 47 Email: copyright@iso.org Website: www.iso.org Published in Switzerland i @ IS0 2019 - All rights reserved