1、BRITISH STANDARD BS 5550-1.3.1: 1978 ISO 28:1976 Cinematography Part 1: 8 mm film Section 1.3 Camera usage Subsection 1.3.1 Specification for camera usage of 8 mm Type R motion-picture film UDC 778.5.068.24:778.53 * RBS5550-1.3.1:1978 This British Standard, having been prepared under the directionof
2、 the Cinematograph Standards Committee, was published under the authority ofthe Executive Board on 28February1978 BSI 10-1999 The following BSI references relate to the work on this standard: Committee reference CMS/3 Draft for comment 75/72089 ISBN 0 580 09947 4 Cooperating organizations The Cinema
3、tograph Standards Committee, under whose direction this BritishStandard was prepared, consists of representatives from the following Government department and scientific and industrial organizations: Association of Cinematograph, Television and Allied Technicians* British Broadcasting Corporation* B
4、ritish Film Institute* British Kinematograph, Sound and Television Society* British Photographic Manufacturers Association Cinematograph Exhibitors Association of Great Britain and Ireland* Federation of Specialised Film Associations Film Laboratory Association Film Production Association of Great B
5、ritain Health and Safety Executive Illuminating Engineering Society Incorporated Association of Kinematograph Manufacturers Ltd. Independent Television Companies Association* Kinematograph Renters Society Ltd. Royal Photographic Society The organizations marked with an asterisk in the above list, to
6、gether with the following, were directly represented on the committee entrusted with the preparation of this British Standard: Association of Independent Cinemas Institute of Amateur Cinematographers National Association of Theatrical, Television attention is especially drawn to the following. Where
7、 the words “International Standard” appear, referring to this standard, they should be interpreted as “British Standard”. Cross-references. The International Standards listed in clause 2 are given for information purposes only. The following are, or are being, implemented as Subsections of BS 5550;
8、the relevant BS numbers are as given below: 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 British Standard does not of itself confer immunity from legal obligation
9、s. ISO 29 a BS 5550-1.7.2 a ISO 74 b BS 5550-1.2.1 ISO 486 BS 5550-1.1.4 a In course of preparation. b Since the publication of ISO 28, ISO 74 has been published under the revised title of “Cinematography Image area produced by camera aperture and maximum projectable image area on8mm Type R motion-p
10、icture film Positions and dimensions”. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages1 and 2, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indica
11、ted in the amendment table on the inside front cover.BS5550-1.3.1:1978 BSI 10-1999 1 1 Scope and field of application This International Standard specifies the position of the emulsion, the frame rate, and the orientation of the emulsion area being exposed for8mm Type R motion-picture films when usi
12、ng single or double8mm Type R motion-picture raw stock. 2 References ISO 29, Cinematography Projector usage of 8 mm motion-picture film for direct front projection 1) . ISO 74, Cinematography Image area produced by8 mm Type R motion-picture camera aperture and projectable image area Positions and di
13、mensions 2) . ISO 486, Cinematography 16 mm motion-picture film perforated 8 mm Type B Cutting and perforating dimensions. 3 Specifications 3.1 The frame rate for film not used for sound shall normally be16to18or24frames per second, depending upon its intended use. 3.2 The frame rate for film contai
14、ning a sound record or to be used in conjunction with a sound record shall be24frames, or25frames (see note 2), per second for both photographic and magnetic sound, except for films photographed at18frames per second having post-process recorded magnetic sound, which should be projected at18frames p
15、er second. NOTE 1Special “no sound” films may be photographed at any rate from time lapse to high speed but the intended frame rate for projection should be noted. NOTE 2The25 frame rate applies to film intended for television in areas using a50Hz current rate. 1) In preparation. (Revision of ISO/R
16、29.) 2) In preparation. (Revision of ISO/R 74.) Figure 1 Single 8 mm Type R filmBS5550-1.3.1:1978 2 BSI 10-1999 Figure 2 Double 8 mm Type R filmBS5550-1.3.1:1978 BSI 10-1999 Publications referred to See national forewordBS 5550-1.3.1: 1978 ISO 28:1976 BSI 389 Chiswick High Road London W4 4AL BSIBrit
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