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I can do a drawing but as it was only meant to be a prototype may be a few more pictures would help.The tube is ordinary 100mm (nominal) PVC plumbers tube.I used 100mm end caps for the ends.To hold the lens drilled and tapped 6mm metric threads into the tube and used 6mm metric nylon screws.
AT the rear attached a steel disc salvaged from a floppy drive with three self tap screws to an end cap.The webcam was then attached to another floppy drive steel disc .You could use one of the 1 1/4" webcam adapters.
To obtain focus just cut the tube to length and adjust the position of the end cap and then glue with superglue.
This guidescope is very light and compact.It was much easier to attach to my Tal200K with nothing more than a wood 'spacer' and large stainless hose-clips.It works well the picture is Omega Cent. taken with the Tal200k guided.
I can do a drawing but to do it properly would take a day or two.
If you want more information just ask.I'm also working on a variable reducer
for refractors but thats another story
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