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Old 22-03-2009, 11:34 AM
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ETX Astro
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Join Date: Mar 2009
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Quote:
Originally Posted by wavelandscott View Post
There is a mathmatical formula that will give you the answer...doubling the size will get you much more than double the light.

On the Obsession telescope website they do some comparisons froma visual perspective...might give you a better idea of the differences.
I could not find it on Obsession telescope website
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