爱好天文的人若是手边有一架望远镜,那是多么方便的事啊。可是这种东西价格很贵(七、八公分的折光式天文望远镜大约要卖到五百万元),不是一般人的经济能力所能达到的。为了克服经济上的困难,我们曾经用两块凸透镜自制了一具简单的望远镜。在应用的时候成绩还不错,所以在这里介绍一下,以供同志们参考: If astronomy-loving people have a telescope on hand, then how convenient is it? However, this kind of thing is very expensive (about seven to eight centimeters of astronomical telescope is sold for about five million yuan), not the average person’s financial ability can achieve. In order to overcome economic difficulties, we used to make a simple telescope with two convex lenses. In the application when the results are good, so here’s introduce it for reference by comrades: