Focusers and Accessories

JMI Coiled Cord – JMI Hand Units is a coiled cord for Single-Control or Dual-Control Hand Units. It includes a 1/8" mono (TS) phone plug on (one or...

JMI EV Focuser Base – Cassegrain is an individual base part with a 2" diameter thread for JMI Event Horizon Focusers compatible with Cassegrain Tel...

JMI EV Focuser Base – Newtonian is an individual base part for JMI Event Horizon Focusers compatible with Newtonian Telescopes.

JMI EV Focuser Large Format Base – Cassegrain is an individual base part with a 3.25" diameter thread for JMI Event Horizon Focusers compatible wit...

JMI EV Focuser Standard Body is an individual body part for JMI Event Horizon Focusers.

A masterpiece of engineering and workmanship, JMI Dual-Speed Event Horizon Telescope Focuser – Cassegrain is a low-profile, friction-drive focuser ...

A masterpiece of engineering and workmanship, JMI Dual-Speed Event Horizon Telescope Focuser – Newtonian is a low-profile, friction-drive focuser d...

A masterpiece of engineering and workmanship, JMI Event Horizon Telescope Focuser – Cassegrain is a low-profile, friction-drive focuser designed fo...

A masterpiece of engineering and workmanship, JMI Event Horizon Telescope Focuser – Newtonian is a low-profile, friction-drive focuser designed for...

A masterpiece of engineering and workmanship, JMI Standard Event Horizon Telescope Focuser – Cassegrain is a low-profile, friction-drive focuser de...

A masterpiece of engineering and workmanship, JMI Standard Event Horizon Telescope Focuser – Newtonian is a low-profile, friction-drive focuser des...

The name is a mouthful - what it means is that we've made an adaptation mechanism to mount the ZWO EAF focus motor on our Crayford Focuser that wi...

Compatible with: Celestron C11 Celestron CG-11 Celestron CM-1100 Celestron Ultima 11 Celestron C14 Celestron CG-14 Celestron CM-1400 Celestron CM-...

Focusing is made easy with JMI MotoFocus – Celestron C8. MotoFocus is a battery operated hand control with an electric focus motor that attaches to...

Focusing is made easy with JMI MotoFocus – Celestron CPC 1100. MotoFocus is a battery operated hand control with an electric focus motor that attac...

Focusing is made easy with JMI MotoFocus – Celestron NexStar 6SE. MotoFocus is a battery operated hand control with an electric focus motor that at...

Focusing is made easy with JMI MotoFocus – Celestron NexStar Evolution 6/8/9.25. MotoFocus is a battery operated hand control with an electric focu...

Focusing is made easy with JMI MotoFocus – Explore Scientific Rack-and-Pinion Focuser – Config. 1. MotoFocus is a battery operated hand control wit...

Focusing is made easy with JMI MotoFocus – Explore Scientific Rack-and-Pinion Focuser – Config. 2. MotoFocus is a battery operated hand control wit...