Homemade 90 Degree Image Erecting Prism DIY Refractor Telescope

Homemade Erecting Prism DIY Refractor Telescope

A straightforward 90º Erecting Prism for telescopes to produce a correctly orientated view and a more comfortable viewing position. I can buy it on Ebay but you can do it in home with binoviewer take from microscope broken very easy and cheap, It nice work

More Homemade Refractor Telescope DIY Erecting Prism Binoviewer Focuser here:



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