ISO 1948-1987 摄影 最高可达127mm前透镜镜筒 连接附件的重要尺寸

标准号：ISO 1948-1987
中文标准名称：摄影 *高可达127mm前透镜镜筒 连接附件的重要尺寸
英文标准名称：Photography; Front lens barrels up to 127 mm; Dimensions important to the connection of auxiliaries
标准类型：N46
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：N46
国际标准分类号：37.040.10
适用范围：Specifies a standard series of diameter sizes for the front part of a lens barrel and a standard series of thread sizes for the same front barrel. The data are applicable to lenses of cameras, enlargers and similar equipment. They are meant to simplify the production and storage of such auxiliaries as screw-in filters.