I would have to say no I do not have the problem, not if I start from park (which , in my case I am pointing right at Polaris). It is only after a flip. It is very close to within my 50 pix after the flip but just can't "close the deal" for centering. I don't know much about this stuff, but it sure sounds like backlash ?? So from a parked position , there is LESS backlash to deal with ??
I think your suggestion is probably the solution, just increase the 50 to say 80 or so and see what happens. Maybe I should have mentioned this before, it only happens with my 80mm APO not my 8 inch RC. Do you think that has anything to do with it ?
Thanks for the Help