I have a question.
I recently tried for a possible purchase a used (a very little used in truth) 2011 3.5" Questar in extraordinary good cosmetical and optical conditions (wonderful star test) but with a problem: a RA knob very tight and stiff. The Dec knob is perfect and smooth, but the RA knob can be turned only applying a hard power with fingers. Usable, but very uncomfort. Also turning the scope pushing the fork arms is very difficult, a hard manual power must be applied to turn, as for the knob. I didnt have the possibility to try the poweguide but the seller told me that it is functioning.
Which is the problem in your opinion? Is this problem solvable without send the scope back to Questar for service (I'm from overseas, no Questar dealers here)? Better to pass? (the price offer is howewer very very good!!).
Thank you very much