Thread: How evil is a f/6.3 focal reducer? [obsolete post]
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Old 09-06-2010, 05:04 PM
astrospotter (Mark)
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How evil is a f/6.3 focal reducer? [obsolete post]
I re-posted to Astrophotography and Imaging Equipment and Discussions forum.
Last edited by astrospotter; 12-06-2010 at 05:59 AM. Reason: moved post to imaging equipment forum. fix typo
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