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Which refractor?
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10-02-2011, 12:20 AM
Octane
(Humayun)
IIS Member #671
Join Date: Dec 2005
Location: Canberra
Posts: 11,159
Anyone know what the illumination circle is of these puppies?
More specifically, will it illuminate a full-frame CCD without vignetting (too much)?
H
Octane
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