Top-quality all-metal focusers, perfect for home-built Newtonian reflectors or for upgrading focusers on commercial reflectors. Smooth, no-backlash movement ensures precise focusing. Chrome-plated brass drawtube with strong aluminum base. Tension-adjustment. Universal base design fits any size tube. 1.25" Rack-and-Pinion Focuser Quality diagonal-cut rack for smooth focusing. Knurled focus knobs. Racked-in height 3-1/2". Focus travel 2.25". |
