Quote:
Originally Posted by LewisM
Or you could simply buy an add-on non-rotating helical focuser to the OAG - Baader makes one (focusing EP holder), several others do.
I use the SX mini-filterwheel with it's integral OAG. Absolute BREEZE to use.
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I need one to focus the lodestar on the SX OAG. At the moment I have to slide it up or down. It's a pita.