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Actually i saw an artical about a 4"newtonian that packed up into a small carry bag made and it was made from bits and pieces.
looked interesting.
Also saw something on a drain pipe focuser somewhere but can't remember.
I think for a home made focuser a heleical housing from a camera lens would work.
I stripped the elements from a camera lens for a project and the housing left over would have been perfect for a focuser.
The camera lens cost $5 from cash converters.
Mark
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