Celestron - Focus Motor for SCT and EdgeHD

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  • The Celestron 94155 Focus Motor for SCT and EdgeHD provides electronic focusing using a computer or Celestron computerized mount hand controller for remote/hands-free observing.

  • Self-powering: When connected to a Celestron computerized mount, the mount provides the power. When connected directly to a computer, USB provides the power.

  • Compatible with most Celestron Schmidt-Cassegrain, EdgeHD, and Rowe-Ackermann Schmidt Astrograph telescopes. Check description for a compatibility chart.  Some models require a retrofit adapter, sold separately.

  • Motor controls include multiple speed rates, automatic GoTo indexed focuser position, and focuser backlash compensation.

  • Focuser Utility software for Windows provides a simple user interface. Also compatible with Celestron PWI.  Enables autofocusing with 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.

  • Not compatible with the 9.25” EdgeHD.

SKU: CEL-94155
Manufactured by:
Celestron
 

Product Description

The Celestron Focus Motor for SCT & EdgeHD enables electronic focusing for your Celestron Schmidt-Cassegrain (SCT) and Celestron EdgeHD telescopes.  Use your telescope hand controller to bring objects into sharp focus and spend less time adjusting and finding focus.  Minimized dexterity from cold or gloved hands is no longer an issue with the 94155 focus motor and for imagers, you no longer have to be physically with the telescope to bring it to focus allowing for greater remote control via a computer connection.   Port covers keep the focuser ports protected when not in use and are tethered to the housing so they cannot be lost.  

Compatible Optical Tubes - See Chart Below

This Celestron focus motor is compatible with all Celestron Schmidt Cassegrains from 6” to 14” in aperture that have been produced in 2006 and after. It is not compatible with 5” SCTs or older models. It is compatible with all the EdgeHD optical tubes except for the 9.25", the 8” Rowe-Ackermann Schmidt Astrograph (RASA),  the 36cm RASA, and the 7” Maksutov-Cassegrain. It can also be used with the 11” RASA, but requires the Focuser Retrofit Kit for RASA 11.  See Recommended Accessories. 

For 6” Schmidt-Cassegrain telescopes only, there are some accessories that cannot be used when the focus motor is installed due to mechanical interferences. Specifically, the Off-Axis Guider (#93648) and older 2” Mirror Diagonal (#93519, now discontinued) cannot be used.

Power Options

There are three options for powering your Celestron Focus Motor:

  1. When using a Celestron computerized mount, you can power and control the focus motor through the mount using the supplied AUX cable. This allows control from the mount’s hand controller (NexStar+ or StarSense) or a computer.
  2. If you are not using a Celestron mount, you can power and control the focus motor from a computer USB port. You will need a user supplied USB A-to-B cable.
  3. You may also opt to use an external 12V DC power source which plugs into the motor’s power jack.

Compatible Software

Celestron offers a free Focuser Utility program for computer control. The Celestron PWI software can also control the focus motor. To use third-party focuser control software, an ASCOM driver is needed.

Focus Motor Compatibility

Specifications

Name Celestron - Focus Motor for SCT and EdgeHD
Manufacturer Celestron
Model CEL-94155
UPC 050234941556

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