Alex and Ken,
I found this on YouTube.....
https://youtu.be/ubj-eWYyzUY
Is this the mod you mention?
I have a very nice 90mm f11 Achro with GSO focuser that I could use....no problem with cutting the tube, would this work as a donor scope?
A list of parts would be good too....it’s a bit confusing right now
Cheers
Matt