Quote:
Originally Posted by multiweb
I'd say the XLT is more than enough for planetary. You don't need a flat field edge to edge to do planetary provided you keep the subject reasonably on axis.
SCT are easier to manage and collimate than Newt. Also plenty of backfocus and no balance issues.
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What about for small DSO Marc how bad is the curvature ? I use to have a 9.25 but cant remember what it was like you have a C11 dont you ?