BS ISO 6038-1995 Cinematography - Splices for use on 70 mm 65 mm 35 mm and 16 mm motion-picture films - Dimensions and locations《电影技术 70mm、65mm、35mm和16mm电影胶片使用的拼接 尺寸和位置》.pdf

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1、BRITISH STANDARD BS ISO 6038:1993 Implementation of ISO 6038:1993 Cinematography Splices for use on70mm,65mm, 35mm and16mm motion-picture films Dimensions and locations UDC 778.531.351/.353:778.582BSISO6038:1993 This British Standard, having been prepared under the directionof the Consumer Products

2、and Services Sector Board, was published under the authority of the Standards Boardand comes into effect on 15October1995 BSI 11-1999 The following BSI references relate to the work on this standard: Committee reference CPW/36 Draft for comment 92/38214 DC ISBN 0 580 24844 5 Committees responsible f

3、or this British Standard The preparation of this British Standard was entrusted to Technical Committee CPW/36, Cinematography International coordination, upon which the following bodies were represented: British Kinematograph, Sound and Television Society British Photographic Association ITV Associa

4、tion (Itva) The following bodies were also represented in the drafting of the standard, through subcommittees and panels: Association of Independent Cinemas British Broadcasting Corporation British Film Institute Broadcasting Entertainment Cinematograph and Theatre Union Cinema Exhibitors Associatio

5、n Department for Education Institute of Amateur Cinematographers Institution of Incorporated Executive Engineers Lighting Industry Federation Ltd. National Council for Educational Technology (NCET) Amendments issued since publication Amd. No. Date CommentsBSISO6038:1993 BSI 11-1999 i Contents Page C

6、ommittees responsible Inside front cover National foreword ii Foreword iii Text of ISO 6038 1BSISO6038:1993 ii BSI 11-1999 National foreword This British Standard reproduces verbatim ISO6038:1993and implements it as the UK national standard. It supersedes BS5550-5.6.1:1987, which is withdrawn. This

7、British Standard is published under the direction of the Consumer Products and Services Sector Board whose Technical Committee CPW/36has the responsibility to: aid enquirers to understand the text; present to the responsible international committee any enquiries on interpretation, or proposals for c

8、hange, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK. NOTEInternational and European Standards, as well as overseas standards, are available from Customer Services, BSI,389Chiswick High Road, London W44AL. A British Standard doe

9、s 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 obligations. Summary of pages This document comprises a front cover, an insi

10、de front cover, pages i and ii, theISOtitle page, pages ii to iv, pages1 to 6 and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.ISO6038:1993(E) ii BSI 11-1999 Content

11、s Page Foreword iii 1 Scope 1 2 Dimensions 1 3 General requirements 4 4 Overlap splices 4 5 Butt tape splices 4 Annex A (informative) Bibliography 6 Figure 1 Splices on 16 mm film laboratory type 1 Figure 2 Splices on 16 mm film projection type 1 Figure 3 Splices on 70 mm, 65 mm and 35 mm films 2 Fi

12、gure 4 Full perforation splices on 35 mm projection prints 3 Figure 5 For all film widths 4 Table 1 Dimensions of splices for 16 mm motion-picture films 2 Table 2 Dimensions of splices for 35 mm motion-picture film 2 Table 3 Dimensions of splices for 70 mm and 65 mm motion-picture films 3 Table 4 Di

13、mensions of splices on 35 mm cemented and welded motion-picture projection prints 3 Table 5 Dimensions for all splices 4 Descriptors: Cinematography, motion-picture film, motion-picture film70mm, motion-picture film65mm, motion-picture film35mm, motion-picture film16mm, film splices, classification,

14、 dimensions, position (location).ISO6038:1993(E) BSI 11-1999 iii 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 c

15、ommittees. 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 t

16、he 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 Standard requires approval by at least75% of the me

17、mber bodies casting a vote. International Standard ISO6038was prepared by Technical Committee ISO/TC36, Cinematography. This second edition cancels and replaces the first edition (ISO6038:1985), of which it constitutes a technical revision. Annex A of this International Standard is for information o

18、nly.iv blankISO6038:1993(E) BSI 11-1999 1 1 Scope 1.1 This International Standard specifies the dimensions and locations of transverse cemented or welded overlap splices and butt splices on70mm,65mm, 35mm and16mm motion-picture films and prints with magnetic or photographic sound records. 1.2 The fo

19、llowing types are specified: a) Type 1 Laboratory type, overlap splice intended for negatives and intermediate films, perforated short pitch; b) Type 2 Projection type, overlap splice intended for prints with non-anamorphic type picture; c) Type 3 Projection type, overlap splice intended for prints

20、with anamorphic type picture; d) Type 4 Projection type, overlap splice made with transparent adhesive tape and intended for prints; e) Type 5 Projection type specialized uses, butt splice made with transparent tape and intended for prints. 2 Dimensions 2.1 The dimensions specified in Table 1 to Tab

21、le 5 apply to motion-picture films which contain nominal shrinkage up to0,2%, and recently made splices. 2.2 The dimensions of cemented or welded overlap splices for16mm motion-picture films shall be as shown in Figure 1, Figure 2 and Figure 5 and as given in Table 1 and Table 5. 2.3 The dimensions

22、of butt splices shall be in accordance with the dimensions B and E as specified in Table 1 to Table 5. 2.4 The dimensions for 70 mm, 65mm and35mm motion-picture films shall be as shown in Figure 3 to Figure 5 and as given in Table 2 to Table 5. 2.5 The film width at the splice shall not exceed 70,05

23、 mm (2,758 in) for 70 mm films; 65,05 mm (2,561 in) for 65 mm films; 35,03 mm (1,379 in) for 35 mm films; 16,00 mm (0,630 in) for 16 mm films. Figure 1 Splices on 16 mm film laboratorytype Figure 2 Splices on 16 mm film projection typeISO6038:1993(E) 2 BSI 11-1999 Table 1 Dimensions of splices for 1

24、6 mm motion-picture films Table 2 Dimensions of splices for 35 mm motion-picture film Dimension Type 1 (laboratory) a Type 2 (projection) mm in mm in A nom. 1,76 0,069 2,49 0,098 B 15,21 0,05 0,599 0,002 15,24 0,05 0,600 0,002 C 6,47 0,05 0,255 0,002 7,01 0,10 0,276 0,004 D 8,23 0,05 0,324 0,002 9,5

25、0 0,10 0,374 0,004 a In single negative printing, dimension C should be 7,53 mm 0,05 mm (0,296 in 0,002 in) to minimize the possibility of printing of a white line. Dimension A becomes 0,70 mm (0,028 in). Figure 3 Splices on 70 mm, 65 mm and 35 mm films Dimension Type 1 (laboratory) a Type 2 (projec

26、tion) (non-anamorphic) Type 3 (projection) (anamorphic) b mm in mm in mm in A nom. 1,24 0,049 1,83 0,072 1,24 0,049 B 14,22 0,05 0,560 0,002 14,25 0,05 0,561 0,002 14,25 0,05 0,561 0,002 C 7,42 0,05 0,292 0,002 7,21 0,10 0,284 0,004 7,42 0,05 0,292 0,002 D 8,66 0,05 0,341 0,002 9,04 0,10 0,356 0,004

27、 8,66 0,05 0,341 0,002 a Dimension A should not be greater than 1,02 mm (0,040 in) in the anamorphic negative in order to minimize intrusion of the splice in the projected image area. b It should be noted that Type 3 splices on anamorphic film will fall within the projected area and extra care shoul

28、d be taken in making a clean splice.ISO6038:1993(E) BSI 11-1999 3 Table 3 Dimensions of splices for 70 mm and 65 mm motion-picture films Table 4 Dimensions of splices on 35 mm cemented and welded motion-picture projection prints Dimension Type 1 (laboratory)65 mm Type 2 (projection) 70 mm mm in mm i

29、n A nom. 1,70 0,067 1,70 0,067 B 14,22 0,05 0,560 0,002 14,25 0,05 0,561 0,002 C 7,27 0,05 0,286 0,002 7,27 0,05 0,286 0,002 D 8,97 0,05 0,353 0,002 8,97 0,05 0,353 0,002 Figure 4 Full perforation splices on 35 mm projection prints Dimension mm in A nom, 3,96 0,156 B 14,25 + 0,05 0,561 0,002 C 8,13

30、0,05 0,320 0,002 D 12,09 0,05 0,476 0,002ISO6038:1993(E) 4 BSI 11-1999 Table 5 Dimensions for all splices 2.6 The angle between the respective edges of the spliced films shall be180 4. Thus, the spliced film shall be aligned to the extent that when one portion of the film is placed against a straigh

31、t edge, the other portion does not deviate by more than0,15mm (0,006in) per13cm (5in). 3 General requirements 3.1 Butt and overlap tape splices shall be made with an optically clear, transparent tape. 3.2 All splices shall be capable of withstanding a tension which is at least50% greater than the ga

32、te tension of the projector for that film width. 3.3 After splicing, the perforation holes shall be maintained clear at all splices. 3.4 If the film to be spliced contains a photographic sound track and the modulation level at the point of the splice results in any individual bias line having a widt

33、h of less than0,05mm, then the sound track should be blooped or opaqued to avoid an objectionable audio crash. 4 Overlap splices 4.1 General 4.1.1 The overlap provides the desirable increase in stiffness at the splice to prevent sharp angular bending when the film goes around a small radius, as in t

34、he free loops above and below the projection aperture. 4.1.2 When the overlap splice receives its mechanical strength from tape, it is usual not to scrape or otherwise remove the emulsion in the overlap area. 4.2 Recommendations for cemented overlap splices 4.2.1 The scraped area of one film end sho

35、uld be0,03mm to0,08mm (0,001in to 0,003in) narrower than the area covered by the overlapping film in order to prevent the appearance of a white line on the screen. 4.2.2 When splicing, the following recommendations should be observed: a) the cement should be applied to the full width of the splice;

36、b) no air bubbles should be in the splice; c) cement excess should be removed, including that from the perforation holes. 4.2.3 If the film being spliced contains a magnetic stripe, the stripe should be removed from the base of the film falling on top of the mating piece. 4.2.4 Bevelled splices are

37、recommended and scraping at an angle is preferred because it provides a stronger splice. When film with magnetic stripes is spliced, it is recommended that the overlap should be oriented so that the trailing film drops on to the scanning head rather than jolts up on to it. 4.2.5 An overlap cement sp

38、lice may be reinforced with splicing tape. 5 Butt tape splices 5.1 Butt splices shall be made centrally on the frame line. 5.2 The clearance between the butted edges of the print at the splices shall not exceed0,08mm (0,003in). Figure 5 For all film widths Dimension mm in E max. 0,33 0,013 G max. a

39、0,05 0,002 a A difference in the lateral shrinkages of the two strips can make it impossible to maintain the tolerance. Shoulders formed by such misalignment should be bevelled.ISO6038:1993(E) BSI 11-1999 5 5.3 The dimensions of the tape applied to secure a butt splice shall not interfere with the f

40、ilm dimensions as specified in the International Standard for the particular film type. 5.4 The tape shall be wide enough to cover an area of at least half a frame on each side of the splice. It is preferred that the tape begins and ends on a frame line so that the splice will be less visible. 5.5 T

41、he tape shall adhere uniformly to the film without corrugations or entrapped air bubbles. 5.6 For films with photographic sound records, the width of the tape used shall cover the full width of the film on both sides. For films with magnetic sound records, tape used on that side which does not carry

42、 the magnetic record and balancing stripes shall cover the full width of the film. Tape used on the side carrying the magnetic record shall not be placed in an area contacted by the magnetic heads. 5.7 Butt splices shall not be made with tape on one side only since such films are not functional in p

43、rojection. 5.8 Butt splices shall not be made with tape wrapped around the film since this interferes with guiding.ISO6038:1993(E) 6 BSI 11-1999 Annex A (informative) Bibliography 1 ISO 69:1990, Cinematography 16 mm motion-picture and magnetic film Cutting and perforating dimensions. 2 ISO 466:1976,

44、 Cinematography Imageproduced by 16 mm motion-picture camera aperture Position and dimensions. 3 ISO 491:1988, Cinematography 35 mm motion-picture film and magnetic film Cutting and perforating dimensions. 4 ISO 2467:1980, Cinematography Image area produced by 65 and 70 mm motion-picture camera aper

45、ture and maximum projectable image area on70 mm motion-picture prints Positions and dimensions. 5 ISO 2906:1984, Cinematography Image area produced by camera aperture on35mm motion-picture film Position and dimensions. 6 ISO 3023:1988, Cinematography 65 mm and70 mm unexposed motion-picture film Cutt

46、ing and perforating dimensions.blankBS ISO 6038:1993 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for preparing BritishStandards. It presents the UK view on standards in Europe and at the international level. It is incorpora

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