A device used to observe a subject that is far away, often celestial bodies in the far reaches of space.

h4. Types

* [[Spyglass]]

h4. Related tags

* [[Ocular lens]] (aka a eyepiece)
* [[Detached lens]]
* [[Holding telescope]]
* [[Observatory]]

h4. See also

* [[Binoculars]]
* [[Monocular]]
* [[Scope]]
望遠鏡 テレスコープ 天文望远镜 望远镜(天文)