Well, I actually ran out of time. I fogged up before I got to try the PowerMate, and the viewing was quite poor. I have since tried the 5x and the movement required to bring it into focus when I add the filterwheel is very small - like 1 mm.
I have tried changing the configuration to scope-filterwheel-barlow-camera and you are right; I cannot get the smaller magnification barlows to focus.
Darrell
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