Quote:
Originally Posted by vlazg
Bo, it is an explore scientific refractor, i thought coma correctors were for a reflector.Do you mean a flattener?
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Should have read that in your original post...
Yes, you can try a field flattener like this
http://www.bintel.com.au/Astrophotog...oductview.aspx
I use the same flattener with my ED80.
Bo