1、BRITISH STANDARD BS ISO 1203:1998 Photography Roll film cameras Back window location ICS 37.040.10BSISO1203:1998 This British Standard, having been prepared under the directionof the Consumer Products and Services Sector Committee, was published underthe authority ofthe Standards Committee andcomesi
2、nto effect on 15 December 1998 BSI 05-1999 ISBN 0 580 30773 5 National foreword This British Standard reproduces verbatim ISO1203:1998 and implements it as the UK national standard. The UK participation in its preparation was entrusted to Technical Committee CPW/42, Photography, which has the respon
3、sibility 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 li
4、st of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “Internatio
5、nal Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a Briti
6、sh Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the ISO title page, pages ii to iv, page 1 and a back cover. This standard has been updated (see copyright date) and may have had amen
7、dments incorporated. This will be indicated in the amendment table on the inside front cover. Amendments issued since publication Amd. No. Date CommentsBSISO1203:1998 BSI 05-1999 i Contents Page National foreword Inside front cover Foreword iii Text of ISO 1203 1ii blankBSISO1203:1998 ii BSI 05-1999
8、 Contents Page Foreword iii 1 Scope 1 2 Back window location 1 Figure 1 Location of back window 1 Table 1 Locating dimensions for back window 1BSISO1203:1998 BSI 05-1999 iii Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO
9、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, govern
10、mental 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. Draft International Standards adopted by the technical committees are circulated to the
11、member bodies for voting. Publication as an International Standard requires approval by at least75% of the member bodies casting a vote. International Standard ISO1203 was prepared by Technical Committee ISO/TC42, Photography. This fourth edition cancels and replaces the third edition (ISO1203:1984)
12、, of which it constitutes a technical revision. The picture sizes in the third edition have been transferred to ISO1754:1998. Descriptors: Photography, photographic equipment, cameras, roll films, windings, inspection devices, position (location), dimensions.iv blankBSISO1203:1998 BSI 05-1999 1 1 Sc
13、ope This International Standard specifies the location of back windows of roll film cameras in relation to the number of exposures and film sizes they are designed to accommodate. 2 Back window location The locating dimensions shown in Figure 1 are given in Table 1. Table 1 Locating dimensions for b
14、ack window Figure 1 Location of back window Dimensions in millimetres Trade designation of nominal negative size Exposure per roll film size X Y 4,5 6 16 120 0 + 18,0 6 6 12 120 0 0 6 9 8 120 + 35,5 19,5 The tolerance for dimensions X and Y are1,6mm. The diameter of the back window is9,0mm minimum.B
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