中文名称 改正镜 英文名称 corrector
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。
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.
一个高品质巴卢必须妥善设计及制造，以避免损害望远镜的颜色和球面像差改正。
A high quality Barlow must be properly designed and manufactured in order to avoid compromising a telescope's color and spherical aberration corrections.
收集必要的安装工具：柱切割器、柱螺母、垫圈、放大镜、打字机改正液。
Gather the necessary installation tools: you will need a column cutter column nuts ferrules a magnifying loop and typewriter correction fluid.
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