Alpine Astronomical Baader Diamond Steeltrack Focuser Adapter for Vixen Refractors with M88x1 Threads

Use this Alpine Astronomical Baader Diamond Steeltrack Focuser Adapter to properly connect your precision Crayford focuser to Vixen refractors with M88x1 inner threads. This is the adapter ring only and requires the optional BDS-RT Diamond Steeltrack focuser for refractor-style optical tube assemblies.