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本文基于工程光学中的基本几何知识和望远镜的基本原理,结合实际情况,通过对开普勒望远镜的一些基本参数,如:适度调节范围、放大倍率、清析度等的设定和改进,根据高斯公式、牛顿公式等对望远镜的外形尺寸等参数的基本计算、像差的设计以及转像系统的设计,设计出一个可用于中小学生观察月球,近距彗星等较大天体的放大倍率约40倍的简易天文望远镜。
Based on the basic geometrical knowledge of engineering optics and the basic principle of telescope, this paper presents some basic parameters of Keplerian telescope, such as: the adjustment range, magnification, resolution and other settings and improvements based on the actual situation, according to Gauss formula, Newton formula and other dimensions of the telescope dimensions and other basic calculations, aberration design and the design of the transfer system, designed a primary and secondary students can observe the moon, close comets and other larger objects magnification of about 40 Times simple astronomical telescope.