Event Horizon 2" Crayford Telescope Focusers
EV-1 Telescope Focuser
The Event Horizon EV-1 is a 2" black-anodized aluminum focuser with rubber grip knobs and two-speed operation. The focuser lifts up to 8 pounds. Dual-speed manual controls are over 15 times finer (small outer knob) and 1½ times finer (large inner knob) than most rack-and-pinion focusers.
The Refractor version (EV-1r) mounts in many refractors having one of two different inside diameters of approximately 3.5" and 3.75". The following is a partial list of refractors that should accept the focuser:
Celestron C4-R, C6-R, C6-RGT, Firstscope 102; Orion AstroView 100 EQ / 120ST EQ, SkyView Pro 120; Synta / Sky-Watcher (Pro Computerized) 100ED-EQ5P, 120ED-EQ5P, 120AR-EQ5P, 150AR-EQ5P, (Pro Manual) 102AR-EQ5M, (Pro Refractor OTAs) P80 ED-APO, P100 ED-APO, P120 ED-APO; Vixen ED100Sf
The Motorized version comes with a hand control unit.