- Servo motor with microprocessor
- Sharp, precise focusing
- Focus via telescope’s hand controller
- Low, medium, high focus speeds
- Indexed focus position
- Powered via computerized mount or PC
The Celestron Focus Motor provides electronic focusing using a computer or Celestron computerized mount hand controller for remote/hands-free observing. It is specifically designed for use with Celestron Schmidt-Cassegrain (SCT) and EdgeHD telescope optical tubes. With the focus motor installed, you can bring celestial objects into sharp, precise focus using your telescope’s hand controller or a computer instead of using the focuser knob.
Must-Have Accessory for Astroimagers
A focus motor is great for visual observers who want to dial in exact focus (especially those with dexterity issues). With a motorized focuser installed, an astroimager no longer needs to be physically near the telescope to focus an image. Combined with computerized control of the mount and camera, the motor enables you to gather data remotely from a backyard observatory, or even a telescope located hundreds of miles away. As an added bonus, port covers protect the ports while not in use, and the covers cannot be lost due to the tethered design.
Self-Powering
You need not worry about powering the motor. When connected to a Celestron computerized mount, the mount provides the power to the motor. When connected directly to a computer, the motor is powered via USB.
Easy Controls
Motor controls include multiple speed rates, automatic GoTo indexed focuser position, and focuser backlash compensation. In addition, the Focuser Utility software for Windows provides a simple user interface and is also compatible with Celestron PWI. Autofocusing is easy through a camera and third-party software via ASCOM. Indexed focus position allows the motor to automatically return to a previous focus position and prevents the focus motor from reaching the end of telescope’s mechanical focus travel.
Compatible Optical Tubes
The focus motor is compatible with all Celestron SCTs from 6" to 14" in aperture that have been produced since the year 2006. It is also compatible with the 8" Rowe-Ackermann Schmidt Astrograph (RASA), the 36cm RASA, the 7" Maksutov-Cassegrain, and all the EdgeHD optical tubes except for the 9.25". You can also use this focus motor with the 11" RASA tube, but it requires a Focuser Retrofit Kit.
- Celestron Focus Motor for SCT and EdgeHD Optical Tubes
- Focus Motor Assembly
- Cover Plate (6" through 9.25")
- Cover Plate (11" and 14")
- Adapter Sleeve
- Adapter Sleeve Screw
- Set Screw
- AUX Cable
- Hex Key
- Wrench
- Screwdriver
Celestron Focus Motor
- Compatibility: All SCTs produced after 2006 except 5" SCT, all EdgeHD except EdgeHD 9.25, RASA 8", RASA 36cm, 7" Mak-Cass
- Motor: DC servo motor
- Spur gears: Brass, 1:1 gear ratio, 38mm diameter, 45 teeth
- Focuser shaft coupler: Aluminum clamping sleeve
- Microprocessor: NXP Kinetis series, Arm Coretex-M4 core
- AUX port power: Powered by Celestron computerized mount AUX port, connecting cable supplied
- USB port power: USB3 or USB2 providing at least 900mA
- DC jack power: 12 VDC, 1A, 5.5mm/2.1mm tip positive plug
- Speed rates: 8°/sec, 32°/sec, 128°/sec
- Focuser steps per revolution: 1000 steps
- Weight: 15 oz (0.42 kg)
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