Simple Formulas for the Telescope Owner - Sky & Telescope - Sky & Telescope
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a galilien telescope consists of an objective of focal length 12 cm , eyepiece of focal length 4 cm .what should be the separation of two lenses when the virtual image of a
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Telescope eyepieces | How to use them and which are the best | BBC Sky at Night Magazine
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When building a refracting telescope, does the diameter of the eyepiece matter? And why do we need to move the eyepiece (as in my textbook) if the image is always focused at
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Simple Formulas for the Telescope Owner - Sky & Telescope - Sky & Telescope
Eyepiece - Wikipedia
A beginner's guide to magnification with telescopes - Astrofarm
