galilean telescope

• 伽利略望远镜是一种折射望远镜，由伽利略发明，使用凸透镜作为物镜、凹透镜作为目镜，能形成正立像，主要用于天文观测。

A type of refracting telescope invented by Galileo Galilei, using a convex objective lens and a concave eyepiece to produce an upright image, primarily used for astronomical observations.

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   A type of refracting telescope invented by Galileo Galilei, using a convex objective lens and a concave eyepiece to produce an upright image.

   光学仪器

   • The Galilean telescope was a breakthrough in 17th-century astronomy.
   • Galileo used his telescope to observe the moons of Jupiter.
   • Modern opera glasses are based on the Galilean telescope design.