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8 times better than a Ritchey-Chretien ?
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14-11-2013, 06:23 PM
gregbradley
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Join Date: Feb 2006
Location: Sydney
Posts: 17,901
Hard to tell if true or not. I believe he would be achieving better spot sizes. Phillip Keller is very good at optics.
There is an astrophotographer up at Cairns who got one of his large scopes.
Greg.
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