折射器
折射器是一种经典的望远镜设计，它使用镜头集合来收集和聚焦光线。探索科学的折射望远镜的广泛选择包括从80mm到165毫米的光圈中的倒置折射率，具有适合天文学外展的具有型的望远镜，以及来自国家地理和发现等品牌的初学者折射率，它们非常适合后院天文学。
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