SKYOPTIKST Rack and Pinion Focuser for refractor telescope with 1.25 inch eyepiece interface
All metal focusing handwheel; You can adjust the focal length by the gear; Focuser Travel is 65mm;
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
Inner wall extinction treatment; the inside of the item fully threaded to minimize reflections;Surface oxidation black treatment,Prevent equipment from rusting
Come with 1.25 inch dust cover; It can protect your equipment from dust; Thereby extending the service life of the equipment