本标准规定了35 mm电影胶片投影的胶片图像区域的最大尺寸，以及该区域相对于胶片穿孔和参考边缘的位置。本标准规定了三种用于戏剧投影的图像区域。风格A:通常被称为非同质或宽屏幕的一般戏剧发行版画；风格B:带有变形图像的戏剧版印刷品；风格C:经典的戏剧印花。

This standard specifies the maximum dimensions of the film image area intended for projection from a 35-mm motion-picture film and the placement of this area relative to the perforations and the reference edge of the film.This standard specifies three types of image areas intended for theatrical projection.Style A: General theatrical release prints commonly referred to as nonanamorphic or wide screen;Style B: Theatrical release prints with an anamorphic image;Style C: Classic theatrical prints.