SCT Telescope Cap and Plug

SCT Telescope Cap and Plug

thingiverse

I originally designed the cap and plug as covers for a Celestron 0.63X focal reducer/corrector lens but they work well for sealing anything with SCT threading. I use them now for sealing the back of my C8 as well as for caps on my SCT filters and diagonals. Custom thread used is listed as 2"-24 TPI in the Fusion 360 XML file. You will need to offset the all 4 faces of the thread by about 0.2mm outward to get the right fit.

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