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Refractor can't reach focus with DSLR attached
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28-12-2011, 06:04 AM
rcheshire
(Rowland)
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Join Date: Apr 2010
Location: Geelong
Posts: 2,617
That should do if you don't need a field flattener, or as Ken mentioned, a focal reducer. The focal reducer will be handy to increase FOV and should also flatten the field. No egg shape stars in the corners.
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