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Celestron Focus Motor for SCT & EdgeHD Telescopes

SKU: CLS-94155

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This Focus Motor provides electronic focusing for 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. A focus motor is great for visual observers who want to dial in exact focus (especially those with dexterity issues) and is a must-have accessory for astroimagers.

With a motorized focuser installed, an astrophotographer no longer needs to be physically near the telescope to focus an image. Combined with computerized control of the mount and camera, the focus motor enables the imager 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.


Compatible Optical Tubes: 

Power Options:

There are three options for powering the 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 computer or the mount’s hand controller (NexStar+ or StarSense).
  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 USB A-to-B cable (not supplied).
  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.
  • An ASCOM driver is needed if using third-party focuser control software.

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

Compatibility

Speed rates

8°/sec , 32°/sec , 128°/sec

Focuser Steps per Revolution

1000 steps

Weight

0.42kg


About Celestron
Celestron was founded by Tom Johnson whose first telescope design was a simple 6-inch reflector, built for his young son. He gradually progressed to making larger scopes in more sophisticated designs. Today, the Celestron company is an industry leader in designing and manufacturing optical equipment including telescopes (computerised and non-computerised), binoculars, spotting scopes and its accompanying accessories. Celestron's legacy spans 50 years, and has grown to enjoy recognition from amateurs to serious astronomers globally. The company seeks to remain innovative by growing its product offerings, while supporting science education around the world.

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