Brands - JMI



Starlight Instruments BA35FL Focuser Base


Manufacturer: Starlight Instruments
Weight: 1.00 lbs


The Starlight Instruments BA35FL flat base may be used to mount a 3.5-inch Feather Touch focuser to the upper cage assembly of a truss tube Dobsonian telescope. 

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.