ISO INTERNATIONAL STANDARD 1755 Second edition 1987-11-01 INTERNATIONALORGANIZATIONFOR STANDARDIZATION ORGANISATION INTERNATIONALE DE NORMALISATION MEKAYHAPOAHAROPIAHM3ALMRNOCTAHAAPTM3ALWM Photography - Projector slides - Dimensions Photographie -Diapositives montees, pour projection -.Dimensions Referencenumber ISO 1755 : 1987 (E) Foreword ISo (the International Organization for Standardization)is a worldwide federation of national standards bodies (so 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- mental 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 ISo Council. They are approved in accordance with ISO procedures requiring at least 75 % approval by the member bodies voting. International Standard ISO 1755 was prepared by Technical Committee ISO/TC 42, Photography. This second edition cancels and replaces the first edition (IS0 1755 : 1973), of which it constitutes a technical revision. Users should note that all International Standards undergo revision from time to time and that any reference made herein to any other International Standard implies its latestedition,unlessotherwisestated. ? International Organization for Standardization, 1987 Printed in Switzerland INTERNATIONAL STANDARD ISO1755:1987 (E) Photography - Projector slides - Dimensions 1 Scope and field of application 3Definitions This International Standard specifies the essential dimensions 3.1 slide: The complete assembly comprising an image (on of projector slides of the preferred international sizes either glass or film carrier), a suitable mask and protection, all 3 cm × 3 cm, 5 cm × 5 cm and 7 cm × 7 cm, and of the title strip. rigidly mounted for optical projection by transmitted light. It does not apply to slides for specialized use, for example in 3.2slide mount: The means for holding rigidly together the television. image carrier and its supporting or protecting covers and mask. It may consist of flexible adhesive binding, or rigid holders This International Standard is intended to facilitate the made of cardboard, metal or plastics material. manufacture, use, and international interchangeability of pro- jector slides and to minimize the proliferation of sizes that 3.3 mask: The opaque material containing an aperture would interfere with these objectives. which limits the area viewed or projected. Apart from the nominal 13 mm × 17 mm picture area (110 for- mat film), this International Standard does not apply to the so- 3.4 picture area: The area of the image carrier occupied by the image. called"sub-miniature"slidessmallerthan3cm×3cm. 3.5 title strip: A device incorporated in, or on, a slide to identify it. References ISo1203,Photography-Rollfilmcameras- Backwindow 4 General requirements locationandpicturesizes. 4.1 The dimensions specified in the table apply to slides ISo1754,Photography- Cameras using film 35mm and regardless of the type of slide mount used. smaller - Picture sizes. ISo7374,Photography- 110-size cartridge - Dimensions 4.2 If a title strip is used, it shall conform to the requirements and format of film and backing paper. of 4.3.