Simple Formulas for the Telescope Owner - Sky & Telescope - Sky & Telescope
Telescope Magnification - YouTube
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An astronomical telescope has an eyepiece of focal-length 5cm. If the angular magnification - YouTube
What is the magnifying power of the Galilean telescope, and what were the details of its components? - Quora
Cassegrain Formulas and Tips by Mike Lockwood
NASA - Build a Telescope
Draw a ray diagram of astronomical telescope and derive the formula of its magnifying power when final image is formed at the least distance of the distinct vision
A Galilean telescope measures 9 cm from the objective to the eye-piece. The focal length of the objective is 15 cm. Its magnifying power is A. $2.5$ B. $\\dfrac{2}{5}$ C. $\\dfrac{5}{3}$ D. $\\dfrac{3}{5}$
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Telescopes and Microscopes
Lowest and highest useful magnification - Optics Trade Blog
Lecture 15, Angular Magnification and Telescopes - YouTube
The optical length of an astronomical telescope with magnifying power of ten for normal - YouTube
Telescope Equations
Solution to P2A.06 Angular Magnification by Galilean Telescope