SVBONY SV181 Rack and Pinion Focuser, 1.25 inch, Newtonian Reflector Focuser for Newtonian Reflector Telescope

Smooth SV181 Rack and Pinion Focuser for reflector telescopes accepts 1.25inches eyepieces, The gear can be fine tuning; You can adjust the focal length by the gear; Focuser Travel is 65mm; and fine tuning more accuracy, Brass ring design; Internal brass ring that the set screw hits to hold your 1.25inches eyepiece inside for eliminates marks on your eyepiece barrel, Internal matting design; the inside of the item fully threaded to minimize reflections, Come with 1.25 inch dust cover; It can protect your equipment from dust; Thereby extending the service life of the equipment