Abstract
Keyword: Transfer function; Off-axis reflection; Large caliber; Detection Abstract. The transfer function is the performance of an optical System’s Imaging quality. It’s an important indicator of an optical system. Detecting the transfer function plays a particularly important role in the project processing and finishing process of the optical system. In order to detect the large caliber optical system’s transfer function, this paper designs a detection systems, who’s focal length is 2000mm and caliber is 500mm, for detecting the transfer function of different optical systems who has large Caliber .This system’s light source can be replaced for measuring the different optical systems .It suits for a lot of optical systems, who’s caliber is from 1~500mm. It depends on the Off-axis reflective optical system. It has a lot of advantages, e.g. it does not make any chromatic aberration, it can be lightweight and has no center block.
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