It may be used to test the on - or off-axis various wavelength wave aberrations, chromatic aberration and other optical performances of various magnification microscopic objective.
该仪器可以测定各种倍率物镜轴上、轴外多种波长的波面像差等光学性能参数。
This loupe is a low magnification microscopic system, it can enlarge very small structures and get clear and upright images.
这个放大镜是一个低倍显微镜系统，它可以放大极小的结构，从而得到清晰直观的图象。
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