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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

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More by trukmeeilee:Homemade Erecting Prism Diagonal for Refractor Telescope DIY Helical Focuser Homemade Mini Circular Table for DIY Woodworking  Homemade Erecting Prism Diagonal for DIY Refractor Telescope  
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