采用光学传递函数（OTF）测量作为一种客观测试方法，用于确定和表达光学设备和系统的性能，包括成像系统或组件和透镜，但通常与多组件系统的独立部分无关。特别限于对透镜或镜面成像系统或两者的组合进行测试。所考虑的方法采用局部孔径，如狭缝或边缘，或延长周期性屏幕，如光栅。还提供了OTF测量设备的操作指南。交叉引用:BS 906

Adopts OTF measurement as an objective test method for ascertaining and expressing the performance of optical devices and systems, including image forming systems or assemblies and lenses but does not normally relate to the separate parts of a multi-component system. Specifically limited to tests on lens or mirror image-forming systems or combinations of both. Methods considered employ localized apertures such as slits or edges, or an extended periodic screen such as a grating. Guidance for operation of OTF measuring equipment is also given.Cross References:BS 906