MSI K9N PLATINUM AM2 SERIES

gr8mikey

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Oct 7, 2002
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To determine the magnification of an optical telescope, you divide the focal length of the eyepiece into the focal lenght of the primary objective.

magnification = f lengh objective / f length eyepiece

for example an 1000mm objective with a 20mm eyepiece would yield a magnification of 50X.
 

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