Thread: Good Cheap Mirror
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Old 29-04-2010, 12:41 PM
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erick (Eric)
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Join Date: Dec 2006
Location: Gerringong
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Wikipedia is your friend here.

Perhaps some reading on:-

http://en.wikipedia.org/wiki/Schmidt-Newton_telescope

and on "Newtonian reflector"

http://en.wikipedia.org/wiki/Newtonian_telescope
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