Starlight Instruments 3.5" Base Flat w/ Leveling Screws

Flat base with leveling screws for 3.5"" diameter Feather Touch focuser

Outside dimension is 6"" square

Base comes complete with all mounting hardware.

The base has a mounting hole pattern of 5.25"" to center

Focuser adapter part#A35-503-TMB is needed to thread focuser into base.

Inside of base has M138x1 threads to thread tube adapter ring.