HyperStar EdgeHD Adapter Ring for C11 Telescope

Description

This adapter ring will convert a standard HyperStar C11 into an HD version to work on an EdgeHD telescope.  It simply threads into the existing bottom ring of the HyperStar and adds 0.5″ of height so the HyperStar lens will reach focus with an EdgeHD telescope.  Works with both v3 and v4 HyperStars.

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