本国际标准规定了适用于以下情况的感光测定用光源的光谱特性: 评估在自然日光、工作室钨和photoflood中用于图像摄影的相机胶片，包括 彩色和黑白胶片，反转和负片类型，以及用于评估使用的黑白纸张 使用白炽钨打印机。它还描述了用于评估照明设备的可接受性的方法 感光测定法，并规定公差。 它不包括与彩色纸一起使用的光源，因为这需要考虑彩色纸的颜色 负片材料的遮罩，目前尚无标准信息。

This International Standard specifies the spectral characteristics of illuminants for sensitometry appropriate for evaluating camera films used for pictorial photography in natural daylight, studio tungsten and photoflood, including colour and black-and-white films, both reversal and negative types, and for evaluating black-and-white papers used with incandescent tungsten printers. It also describes methods for evaluating the acceptability of illuminants for sensitometry and specifies tolerances. It does not include illuminants for use with colour papers, since this would need to take account of the coloured mask of the negative material, for which no standard information is at present available.