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Formulas - Telescope Magnification
The focal lengths of objective and eye lens of an astronomical telescope are respectively 2 meter and 5 cm. Final image is formed at (i) least distance of distinct vision (ii) infinity.Magnifying
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Light Vortex Astronomy - Article: How to Very Accurately Calculate your Telescope's Effective Focal Length
The focal lengths of an objective lens and eyepiece are 192 cm and 8 cm respectively in a small telescope. Calculate its magnifying power and the separation between the two lenses.
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Telescope Basics 2 (of 6): Learn to calculate magnification for a telescope/understand focal ratios - YouTube
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Simple Formulas for the Telescope Owner - Sky & Telescope - Sky & Telescope
Is there any equation to calculate the optimal focal length in a Newtonian telescope? - Quora
f-number - Wikipedia
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A beginner's guide to magnification with telescopes - Astrofarm
How to Calculate Telescope Magnification
