JMI Telescopes

JMI Telescopes introduces the Event Horizon series of 2-inch modular focusers for all makes and models of telescopes. Starting at $149 for the EV3 Cassegrain or Newtonian models, which include a 1¼-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.

Contact: JMI Telescopes, 8550 W. 14th Ave., Lakewood, CO 80215; 303-233-5353;'s New Product Showcase is a reader service featuring innovative equipment and software of interest to amateur astronomers. The descriptions are based largely on information supplied by the manufacturers or distributors. Sky & Telescope assumes no responsibility for the accuracy of vendors statements. For further information contact the manufacturer or distributor. Announcements should be sent to Not all announcements will be listed.


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