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Collapsible focuser 2" - 3D-printed


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Somewhere in another thread I mentioned a second focuser I designed. This is that other design.  Drawings are made using Autodesk-Inventor.
This one is a real low profile focuser because in its lowest position the eyepiece-barrel will enter the telescope tube by a few mm. I have two versions of this collapsible focuser.
Like the Crayford this one also works very smooth. It has a travel of about 85mm(3"+)

Hope you like it...







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