EV-3n Event Horizon 2" Crayford Focuser - NewtonianTelescopes
The JMI Event Horizon EV-3n is a 2" black-anodized aluminum focuser with knurled knobs. The focuser lifts up to 4 pounds. The Manual control is over 1½ times finer than most rack-and-pinion focusers.
The Event Horizon Focuser (EV) is a low-profile, friction-drive focuser designed for both the amateur and professional market. The highly acclaimed Crayford design permits tolerances up to 100 times better than conventional rack-and-pinion focusers. Zero image shift and zero backlash makes it superb for visual and photographic work and a must for CCD imaging. The modular design makes changes and upgrades extremely easy to accomplish. ADD the optional Variable Speed Motor, Smart Focus,or Digital Read Out (DRO) for the ultimate focusing system. The EV is truly a masterpiece of engineering and workmanship.
This Newtonian version mounts onto a range of surfaces, from a tube that is 7.25" diameter or larger, to a flat surface. 1.25" Eyepiece Adapter included.
|Name||JMI - EV-3 Telescope Focuser without Motor (Newtonian version)|
|Manufacturer||Jims Mobile, Inc. (JMI)|
|Custom Stock Status||Ships in 3-5 Days|