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Borg 77 EDII Apochromat Bahtinov Mask

by frostyfriday

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bahtinov mask borg telescope bahtinov mask borg telescope

Designed this Bahtinov mask for out astronomy department to fit a Borg 77 EDII Apochromat telescope.

The ID of the mask is 88mm and is a loose fit to the end of the refractor.

If you wanted to make it tighter just add a strip of duct tape or something to the mask.

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