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Celestron Focus Motor for SCT and EdgeHD - 94155-A
Celestron Focus Motor for SCT and EdgeHD
Please Note : This version of the Celestron Focus Motor now fits older Celestron SCT and EdgeHD models and the 9.25" EdgeHD Celestron telescope!
The Celestron Focus Motor allows electronic focusing by using a computer or Celestron computerized mount hand controller. Using the focus motor lets you use a virtually hands-free approach when bringing celestial objects into a crisp focus. It's great for astroimagers who need that precise and exact focus.
If the focus motor itself was not enough, port covers protect the ports when not in use, and the covers cannot be lost due because of the tethered design.
When the focus motor is connected to a Celestron computerized mount, using the supplied AUX cable allows the mount to provide the power for the motor. When connected to a computer, the USB will provide the power, similar to the mount. You may also use an external 12V DC power source (not included) which plugs into the motor’s power jack.
The Celetron focus motor is compatible with the Celestron Schmidt-Cassegrain, EdgeHD, and Rowe-Ackermann Schmidt Astrograph optical tubes. The full list is as follows:
- All SCTs from 6” to 14” in aperture that have been produced since the year 2006.
- All EdgeHD optical tubes
- The 8” Rowe-Ackermann Schmidt Astrograph (RASA)
- The 36cm RASA
- The 7” Maksutov-Cassegrain
- The 11” RASA, though it requires the Focuser Retrofit Kit
The controls for the motor include the following: multiple speed rates, an automatic GoTo indexed focuser position and a focuser backlash compensation. The Indexed focus position allows the motor to move to a previous position and prevents the motor from reaching the telescope's mechanical focus travel.
The Focuser Utility software, made for Windows, has a simple user interface and is compatible with Celestron PWI. It also enables autofocusing with a camera and third-party software via ASCOM
Celestron offers free software called Focuser Utility for computer control. The Celestron PWI software also suffices. To use a third-party focuser control software, an ASCOM driver is required.
- 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: 12V DC, 1A, 5.5mm/2.1mm tip positive plug
- Speed rates: 8°/sec , 32°/sec , 128°/sec