BS ISO BRITISH STANDARD 1793:2005 Cinematography - Reels for 16 mm motion-picture projectors (up to and including 610 m capacity: 38 cm size) - Dimensions ICS 37.060.10 BSi British Standards BS ISO 1793:2005 National foreword This British Standard reproduces verbatim ISO 1793:2005 and implements it as the UK national standard. It supersedes BS 5550-2.9.1:1978 and BS 5550-2.9.2:1980 which are withdrawn. The UK participation in its preparation was entrusted to Technical Committee CPW/36, Cinematography, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred to in this document may be found in the BSI Catalogue under the section entitled "International Standards Correspondence Index", or by using the “Search' facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not ofitself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii to iv, pages 1 to 5 and a back cover. The BSI copyright notice displayed in this document indicates when the documentwaslastissued. Amendmentsissued since publication This British Standard was published under the authority Amd. No. Date Comments of the Standards Policy and Strategy Committee on 14February2005 @ BSI 14 February 2005 ISBN 0 580 45442 8 BS ISO 1793:2005 INTERNATIONAL ISO STANDARD 1793 Second edition 2005-01-15 Cinematography Reels for 16 mm motion-picture projectors (up to and including 610 m capacity: 38 cm size) - Dimensions Cinematographie—E Bobines deprojectionpourfilm cinématographique 16 mm (capacité maximale: 610 m pour le format 38 cm)—Dimensions Reference number ISO 1793:2005(E) BS ISO 1793:2005 ii BS ISO 1793:2005 Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards bodies (isO member bodies). The work of preparing International Standards is normally carried out through isO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with IsO, also take part in the work. IsO collaborates closely with the 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. adopted by the technical committees are circulated to the member bodies for voting. Publication as an Attention is drawn to the possibility that some of the elements of this document may be the subject of patent ISO 1793 was prepared by Technical Committee ISO/TC 36, Cinematography This second edition cancels and replaces the first edition (isO 1793:1975), which has been technically revised) ii BS ISO 1793:2005 Introduction This edition of ISO 1793 provides for large capacity reels from 60 m to 610 m. The first edition (1975) had reel capacity of 15 m to 120 m. iv BS ISO 1793:2005 Cinematography Reels for 16 mm motion-picture projectors (up to and including 610 m capacity: 38 cm size) — Dimensions Scope This International Standard specifies the dimensions and characteristics of 16 mm motion-picture film projection reels. Dimensions 2.1 The dimensions shall be as shown in the figures and given in the tables 2.2