本标准规定了每帧有四个孔的35 mm电影发行版的乳剂位置，以及相对于投影仪镜头的磁条位置。本标准还规定了1.1中定义的系统的投影率，以及有关图片和音频记录位置的相关标准。

This standard specifies the position of the emulsion for 35-mm motion-picture release prints having four perforations per frame and the position of the magnetic striping relative to the projector lens.The standard also specifies the rate of projection for systems defined in 1.1 and the relevant standards on location of the picture and audio records.