Description: 光学望远镜是一种用于在可见光（光学）波段下观察和研究天体的仪器。光学望远镜使用反射镜（反射式望远镜）和/或透镜（折射式望远镜）来收集和聚焦光线。望远镜最初是为了观察地球上的遥远物体而发明的，但很快就被用于天文研究。望远镜的直径从几厘米到十几米不等。

Related Terms:

• 电磁辐射
• Reflecting Telescope
• Refracting Telescope
• 望远镜
• 可见光谱
• 透镜
• Mirror

Term and definition status: The original definition of this term in English have been approved by a research astronomer and a teacher
The translation of this term and its definition is still awaiting approval

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