标准摘要
[中文适用范围]： 本文件规定了确定与平面图像表面的偏差的测试方法，即望远镜系统和观测望远镜仪器的矢状和切向场曲。 [外文原描述]： This document specifies the test method for the determination of the deviation from a flat image surface, i.e. the sagittal and tangential field curvature of telescopic systems and observational telescopic instruments.
英文名称Optics and photonics — Test methods for telescopic systems — Part 9: Test methods for field curvature