ISO 3639:1981 电影技术.8mmS型电影胶片用的直径75-312mm的电影放映片盘/防光片盘.尺寸和规范

标准编号：ISO 3639:1981

中文名称：电影技术.8mmS型电影胶片用的直径75-312mm的电影放映片盘/防光片盘.尺寸和规范

英文名称：Cinematography — Projection reels/spools 75 to 312 mm diameter for 8 mm Type S motion-picture film — Dimensions and specifications

发布日期：1981-10

标准范围

本国际标准规定了直径为75至312 mm的8 mm S型电影放映卷轴/卷轴（7号75 mm型除外）的尺寸，这些卷轴/卷轴可在所有类型的卷轴到卷轴投影设备上互换。注:7号卷轴（75 mm）虽然暂时认可，但将被ISO 6033中规定的卷轴取代。建议新的投影设备和卷轴/线轴制造能力应符合ISO 6033的要求。

This International Standard specifies the dimensions for 8 mm Type S motion-picture projection reels/spools of 75 to 312 mm diameter (with the exception of the 75 mm Type No. 7) that are interchangeable on all types of reel-to-reel projection equipment. NOTE - The No. 7 reel (75 mm), although temporarily recognized, will be superseded by that specified in ISO 6033. lt is recommended that new projection equipment and reel/spool manufacturing capacity should comply with the requirements of ISO 6033.

标准预览图