The above are thumbnail pictures of an EV-1nM focuser (EV-1 for Newtonian with Motor).
Select a thumbnail to see large images or select the features list.

Here are a few key features of the Event Horizon focusers:

• Modular design makes purchasing and installing options and upgrades a snap

• Purchase one of our regular models or buy a customized focuser using the Build-Your-Own option

• Low profile with no unsightly springs

• Zero image shift and zero backlash

• Up to eight (8) pounds of lifting power

• Brass clamping rings hold eyepieces and equipment without scratching

• 48mm threads on 1-1/4" adapters

• Your choice of plastic or brass locking screw for different locking characteristics

• Miniature light-weight, high-torque motor the size of an AA battery (motorized version)

• Small slender hand control (motorized version)

• Dual-speed drive with counter (EV-1 model)

• 16 times finer focus than most rack-and-pinion focusers (EV-1 model)

• Available with Digital Readout (DRO) hand control

• Available with Smart Focus for control from your PC (with encoders and positional display)

• Available with PC Focus Control for control from your PC (without encoders or positional display)

• Quality construction and just plain beautiful!

Please see the Focuser Comparison Chart.  Compare our focusers with cheaper Imports.