标准摘要
[中文适用范围]： 规定了摄影镜头距离刻度标记的一系列优选值。 给出了以米和英尺为单位指示距离的比例尺的首选值。 还指定了无穷大标记。 [外文原描述]： Specified is a series of preferred values for the distance scale markings of photographic lenses. The preferred values are given for scales indicating the distance in metres and feet. The infinity mark is also specified.
英文名称Photography — Photographic lenses — Distance scale markings