SVBONY SV181 Telescope Focuser inch Rack and Pinion Newtonian Telescope Focuser Full Metal 1.25 R&P

Hard and durable; SVBONY SV181 telescope focuser is made of full metal; it is very sturdy and durable and will not be easily damaged. Gear Focusing; The SV181 telescope focuser adjusts the focal length through gears, and the dual knurled focus knob rotates smoothly, even when wearing gloves, for more precise fine-tuning. Internal Brass Ring; 1.25 inch internal brass ring can secure the eyepiece inside and eliminate the marks on the eyepiece tube when it hits the fixing screw. Fully threaded inside; fully threaded inside item to minimize reflections, resulting in better image display. Dust cover: Effectively prevents dust from entering the lens body.