This top quality rack and pinion focuser from Starlight Instruments USA is a direct upgrade to the standard focuser supplied with the Sky-Watcher Esprit-120 and Esprit-150 Super Apo Triplet Refractors.
A Low Profile CNC machined 10:1 dual-speed focuser designed for Newtonian Reflector telescopes of 9" to 15" aperture, and accepts either 1.25" or 2" eyepieces.
Designed to retro-fit to the Explorer-150/200/250/300P Newtonian Reflectors originally supplied with a 2" (two-inch) single speed focuser. Gear Ratio 10:1.
