Thanks Peter, I looked up the Gemini but only saw a rotator, didn't go through their gear and as I have seen the rotators selling here used I assumed it was a slightly larger (considerably larger) version. I was wondering why it wasn't part of the focuser, it's what I've always done with My William Optics focusers in preference to moving the camera (or rotate the image).
OK, that makes sense, the only two items in the image I could positively identify was a large filter wheel and a magnetic base dial gauge (and the 25^2mm square hollow section, lol).
Is it going to be a hard task to move the flattener into the rotator?
I have my extensions machined to my specs for my toy gear but they do add a level of weight to the rig but I do regularly check the precise weight of everything I'm hanging off the back, especially playing with smaller gear with a high degree of slop in the cheaper focusers like my 5" (130mm) Celestron Newt but it's been shimmed up with brass and considerably better than new I'd suspect. Plus I can rotate the tube so my image train is closer to vertical, not so easy on any refractor, especially not on that monster you have there.
The images must be incredible.
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