1787 International Standard (ISO Cinematography -- Camera usage of 8 mm Type S motion-picture film - Specifications Cinématographie -- Emploi du film cinematographique 8 mm perforé, type S, dans la camera - Speécifications Second edition - 1984-04-01 ISO 1787-1984 (E) UDC 778.55 Ref. No. ISO 1787-1984 (E) Descriptors : motion-picture film, position (location), specifications. Price based on2pages No reproduction or networking permitted without license from IHS Not for Resale Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO member bodies). The work of developing International Standards is carried out through so technical committees. Every member body interested in a subject for which a technical committee has been authorized 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. Draft International Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the IsoCouncil. International Standard ISO 1787 was developed by Technical Committee ISO/TC 36, Cinematography This second edition was submitted directly to the Iso Council, in accordance with clause 6.11.2 of part 1 of the Directives for the technical work of IsO. It cancels and replaces the first edition (i.e. Iso 1787-1972), which had been approved by the member bodies of the following countries : Austria India Spain Belgium Iran Sweden Canada Israel Switzeriand Czechoslovakia Italy United Kingdom Egypt, Arab Rep. of Japan USA France Netherlands USSR Germany, F.R. Peru Greece Romania No member body had expressed disapproval of the document. International Organization for Standardization, 1984 Printed in Switzerland No reproduction or networking permtted withoutlicense from IHS ded by IHS t Not for Resale INTERNATIONAL STANDARD ISO 1787-1984 (E) Cinematography -- Camera usage of 8 mm Type S motion-picture film - Specifications Scope and field of application This International Standard specifies the position of the emul- sion, the frame rate of exposure, and the orientation of the area Film positioning being exposed for 8 mm Type S motion-picture film cameras. device (model 1 cartridge) Specifications 2.1 The emulsion shall be positioned toward the camera lens, exceptforspecial processes. 2.2 The frame rate of exposure for film not used for sound shall normally be 18 frames per second. Image forming light NOTE -- Special "no sound" films may be photographed at any rate from the time lapse to high speed, but are generally intended for pro- jection at 18 frames per second, except when a special study is Reference desired. edge 2.3 The frame rate of exposure for film containing a sound Image being Film record orto be used in conjunction witha sound recordshall be formed travel 24 frames per second for photographic sound and 24 or 18 frames per second for magnetic sound. 2.4 It is recognized that film intended for television broad- 37111+1 casting may be exposed at 25 frames per second. 3Bibliography ISo 1700, Cinematography - 8 mm Type S motion-picture The film is shown as seen from inside raw stock film - Cutting and perforating dimensions. the camera, looking toward the lens. ISo 1781, Cinematography - Projector usage of8 mm Type S motion-picture film for direct front projection. Figure Iso 3645, Cinematography -- Image area produced by 8 mm Type S motion-picture camera aperture and maximum project- ableimagearea-Positionsanddimensions. 1 ional Organizatin or Standardizatior No reproduction or networking permitted without license from IHS Not for Resale