The magnification (or power) you will see through a given optical system depends on the telescope and the eyepiece. The simple formula is: Magnification = Focal length of telescope ÷ focal length of ...
OK, so you've put your hands on a decent starter telescope. We're not talking about one of the cheap 50 mm aperture "department store" scopes, but a good quality 4 to 6-inch aperture scope. You've ...
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