16mm电影摄影音频复制机用扫描光束均匀性测试胶片规范本规程描述了一种用于测定16mm电影摄影音频复制机中扫描光束照明均匀性的测试胶片。（该测试胶片不用于确定扫描光束相对于胶片参考边缘的正确位置。）

Specifications for Scanning-Beam Uniformity Test Film for 16-mm Motion-Picture Photographic Audio Reproducers This practice describes a test film to determine the uniformity of scanning-beam illumination in 16-mm motion-picture photographic audio reproducers. (This test film is not intended to be used for the determination of the correct position of the scanning beam with respect to the reference edge of the film.)