Quote:
Originally Posted by gregbradley
You would really need to check out your scopes corrected circle as this one will need around 65mm. If its far away from the end of the scope of a fast scope it may need even more. AP refractors, TEC refractors, perhaps FSQ106 (not sure).
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FSQ-106ED at native f/5 has an 88mm image circle. With reducer or extender it's only 44mm.
Cheers,
Rick.