Refractor Fine Focus Knob

2-1/2" diameter knob attaches to the focus knob of Short-
Tube 80, ST90, ST102, and many similar refractors for fine
focus control with less scope shake. This knob is a significant
functional addition to economy class refractors that don't
have the best focusers! Machined from black delrin, with
knurled edge and stainless steel attachment screw. Doesn't
smell like peanut butter.



$00.00 - #FFKR - No Longer Available - Refractor Fine Focus Fnob


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