Thx Steve. As it happens I was thinking about something along those lines made of stacked layers of mdf or ply glued and screwed with one side fitting inside the 300mm side (not too thick and not interferring with the light beam) and the other side going on the outside of the 200mm tube. For development and testing though I'd make a long ply box with an internal rail (think optics bench) to fit any internal optics and then if it shows promise go crazy on something more elaborate.
Thx and
Best
JA
Last edited by JA; 25-04-2022 at 08:16 PM.
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