Courtesy of
Sky & Telescope
February 2007


     BEEFY FOCUSER  JMI Telescopes introduces the Event Horizon series of 2-inch modular focusers for all makes and models of telescopes.  Starting at $149 for the EV-3 Cassegrain or Newtonian models, which include a 1-inch eyepiece adapter threaded for 48-millimeter filters, the EV focusers are among the most versatile on the market.  With the "Build Your Own" kit, you can customize every part of the unit from the base plate to the pusher bearings.  Dual-speed micro-focuser, motor drives and computer-interface options are also available.
     JMI Telescopes, 8550 W 14th Ave, Ste 200, Lakewood, CO  80215; 303-233-5353;