Focusing motor for Celestron SCT / Edge HD / SW Mak telescopes

299.00  incl. Vat

Focusing motor with mounting bracket for Celestron SCT and Edge HD telescopes. Easy switch to manual focusing without tools.


Stepper motor with integrated gearbox and bracket for Celestron SCT, Edge HD, and Sky Watcher Maksutov telescopes.

Technical data and recommended settings:

  • integrated gearbox 1:20
  • resolution: 3000 steps per revolution of the focusing knob
  • maximum voltage: 12V
  • maximum current: 400mA
  • maximum speed: 400 steps per second
  • recommended settings: 200mA current, 300 steps per second speed

In the box:

  • focusing motor with enclosure and RJ12 6-pin socket
  • fixing bracket to Celestron SCT, Edge HD, or Sky Watcher Maksutov telescopes
  • focusing knob (1/2 inch or 13mm inner diameter – choose the proper version)
  • toothed belt
  • focusing cable RJ12 6 pin (optional)


Remove the rubber knob and three screws, and leave the metal shimmer:

Attach the bracket with three screws (the bracket can be rotated to different positions):

Attach the focuser knob and tighten the grub. Leave about 1mm between the mounting bracket and the focuser knob:

Put the toothed belt into the position:

Put the motor and place the tightening screw:

The toothed belt can be easily engaged and disengaged, so the manual control with the focusing knob is quite straightforward:

Additional information

Weight 0.2 kg
Dimensions 10 × 5 × 6 cm
Focusing cable

no, 0.3m, 0.5m, 0.8m, 1m, 1.5m, 2m, 3m

Controller side cable plug


Focusing knob type

Celestron SCT / Edge HD (1/2 inch diameter), SW Mak (13 mm diameter)


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