标准摘要
[中文适用范围]： ISO 14490的本部分适用于双目望远镜系统，并规定了测定以下特性的测试方法： ——从目镜出射的光束轴的不平行度； ——瞳距； ——放大倍率的相对差异； ——双目系统望远镜之间的聚焦差异。 [外文原描述]： ISO 14490-2:2005 is applicable to binocular telescopic systems and specifies the test methods for determination of the following characteristics: non-parallelism of the axes of bundles of rays emergent from the eyepieces; interpupillary distance; relative difference in magnification; focusing difference between telescopes of binocular systems.
英文名称Optics and optical instruments — Test methods for telescopic systems — Part 2: Test methods for binocular systems