Celestron Focus Motor v2 for SCT and EdgeHD OTAs

Updated to be compatible with more of their optical tube assemblies (OTAs), Celestron 's Focus Motor v2 eliminates vibrations and helps you achieve finer and more precise focusing on select SCT (Schmidt-Cassegrain telescope), EdgeHD, RASA (Rowe-Ackermann Schmidt Astrograph), or 7" Mak (Maksutov-Cassegrain) models. Once installed on the OTA, the unit plugs into the auxiliary port on your Celestron mount, which not only provides the power, but allows it to be controlled by the mount's NexStar+ or StarSense computer hand controller running the current firmware version. If your mount isn't compatible with the Focus Motor, you can opt to control it from a Windows computer with the addition of an optional USB cable or 12 VDC power adapter. Helpful for visual observation and indispensable for astrophotography, a precise DC servo motor delivers three speeds—low 8°/sec, medium 32°/sec, high 128°/sec—without vibration or noise. Using an electric focuser eliminates the need to touch knobs, which cause vibration, and ...