Curved Base for 3.0″ and 2.5″ Feather Touch Rack and Pinion Focusers with Leveling Screws – Custom Machined to match your Newtonian tub.Â
This base threads into our tube adapter ring that comes standard on the 3.0″ Feather Touch focuser (A30-1903-1) which has M109x1 threads.
Base comes complete with all mounting hardware
Mounting hole pattern of 4.0″ to center.
Outside dimension of base is 4.75″
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