Astronomy Telescope Site

: The lens you look through, which magnifies the image formed by the objective. Most telescopes use interchangeable eyepieces with different focal lengths to vary magnification.

: A mechanism, such as a rack and pinion focuser , used to adjust the distance between the eyepiece and objective to sharpen the image. Astrophotography Equipment | Ultimate Beginners Guide astronomy telescope

: The foundation that supports the telescope and allows it to track the movement of the night sky. : The lens you look through, which magnifies