Samyang/Rokinon 135mm F/2 Astro Rings + belt autofocus
thingiverse
Mounting hardware for the very popular Samyang/Rokinon 135mm F/2 lens for astrophotography on a vixen dovetail - including mounting options for a ZWO EAF or DIY NEMA17 solution. Other hardware needed: + 400mm gt2 belt + GT2 20 tooth pulley + 4x M6 bolts no longer than 20mm to mount top plate and to dovetail + 4x M6 bolts longer than 30mm to join the halves + 8x M6 hex nuts + EAF or NEMA17 stepper motor (if nema17 you need to find a project to drive it yourself) + M3 nut and bolt to tighten focus engagement ring
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