光學望遠鏡
From Wikipedia, the free encyclopedia
光學望遠鏡（英文：Optical telescope），係望遠鏡嘅主要類型，用到光學原理將聚焦光線形成影像，畀人直接睇或者影低。光學望遠鏡主要分做三類：反射望遠鏡、折射望遠鏡，同埋混合頭兩種嘅反射折射望遠鏡。
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