标准摘要
[中文适用范围]： 本国际标准规定了 35 毫米电影摄影机的摄影机光圈图像的尺寸以及预期图像区域的垂直和水平中心线相对于参考边缘和摄影机负片的齿孔的相对位置。 用于不同目的的电影摄影机需要不同的光圈尺寸。 本国际标准规定了用于以下目的的四种光圈类型所产生的图像尺寸。 — 样式 A：每帧有四个穿孔的非变形声音电影。 — 风格 B：每帧有四个穿孔的变形声音电影。 — 风格 C：每帧四个齿孔仪器摄影和全画幅电影。 — D 型：每帧三个齿孔的电影。 该国际标准还规定了 35 毫米电影摄影机的感光乳剂位置和帧速率。 [外文原描述]： This International Standard specifies the dimensions of the camera aperture images and the relative positions of the vertical and horizontal centrelines of the intended image area with respect to the reference edge and the perforations of the camera negative film for 35 mm motion-picture cameras. Motion-picture cameras used for different purposes require different aperture sizes. This International Standard specifies the image dimensions resulting from four styles of apertures used for the following purposes. Style A: Four perforations per frame nonanamorphic sound motion pictures. Style B: Four perforations per frame anamorphic sound motion pictures. Style C: Four perforations per frame instrumentation photography and full-frame motion pictures. Style D: Three perforations per frame motion pictures. This International Standard also specifies the position of the photographic emulsion and the frame rate for 35 mm motion-picture cameras.
英文名称Cinematography — Image area produced by camera aperture on 35 mm motion-picture film — Position and dimensions