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GSO RC8 field flattener recommends
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22-01-2014, 09:25 PM
clive milne
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Join Date: May 2011
Location: Freo WA
Posts: 1,443
David,
One small correction....
Off axis images in an rc8 will not suffer from coma at all.... not even a teeny bit.
The aberrations inherent in the design are astigmatism and defocus due to (steep) field curvature.
clive milne
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