Quote:
Originally Posted by jayconnor
when you mean no sag in the focuser what do you mean there? just make sure they are all tight? thanks for the feedback really appercaite it. Ill be ordering a coma corrector today 
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With the camera secured in the draw tube try to wiggle it see if there's any play with the focuser itself.
The Baader MPCC Mark III is a good entry coma corrector. Some popup in the classified second hand sometime.