Optics system consists of a spherical primary mirror MB at the southern end, a reflecting Schmidt corrector ma at the northern end, with the focal plate in between.
光学系统由在南端的球面主镜MB、在北端的反射施密特改正镜MA构成，焦面在中间。
The primary mirror is an important component of optical system applied on a space telescope, and its thermal optics property is the guideline to thermal design and control.
主镜是空间望远镜光学系统的重要组成元件，其热光学特性将为光学系统的热控设计提供依据。
The work on the technical transform of the mounting system of the primary mirror of the 1.2m alt-az telescope at the Yunnan Observatory is introduced and discussed in this paper.
本文介绍和讨论了云南天文台1.2米地平式望远镜主镜支承装置的技术改造工作。
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