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I am surprised by this result. Celestron only claim a much smaller corrected field (up to APS size or 23 x 16mm) than a U16M camera (44 x 44mm) requires (52mm). Unless he cropped the image. I would've expected some coma in the corners but there doesn't appear to be any.
Fabulous result.
Greg.
Last edited by gregbradley; 11-05-2010 at 06:44 PM.
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