Motor Focus Kit

Focus accurate and fast your telescope using our powerful stepper motor kit. This high resolution geared box has a 0,06 degree step size can can easily lift more than 6 Kg (per cm). Its high torque is suitable for lifting heavy imaging equipment. Moreover motor’s gearbox has a low backlash which can easily tuned using backlash compensation in imaging software. A standard DB9 serial socket has compatible pinout with Pegasus Dual Motor Focus, Moonlite and Robofocus controllers.

Universal L Shaped Bracket

Celestron SCT Adapter
(FIts to Celestron C6, C8 and C9,25)

Option 1:

An L shaped black anodized aluminium bracket, hard to bend, has cut rails and can be attached to a wide range of focusers. In fact we have successfully installed it on:

  • Orion Optics UK default focuser
  • GSO (RC focuser)
  • Takahashi (FSQ106)
  • Moonlite (2”, 2.5”)
  • Baader (Steel track)
  • Synta Focuser Refractors
  • Altair Astro (2”, 2.5”, 3”)
  • Starlight (2”, 2.5”, 3”)

Option 2:
A Celestron SCT (black anodized aluminium) adapter can be attached to your telescope’s focuser knob.(FIts to Celestron C6, C8 and C9,25). You just unscrew the knob and mount this adapter with the set of screws we provide.

What the Motor Kit package includes:

  • High resolution geared stepper motor (Step Angle 7.5, Deg 120, Gear Ration 1:120). Its gearbox has very low backlash and high torque suitable to focus in micron scale.
  • Black Universal Aluminium Anodised Bracket (Hard to bend) OR Celestron SCT Adapter
  • Coupler (5mm to 8mm) with 3 grub screws
  • Set of nuts and bolts

L shaped adapter

Side view of Motor Kit
Top view of Motor Kit Coupler (5mm to 8mm)
with 3 grub screws



View of the Pegasus Stepper Motor mounted on a TEC140 Refractor

Pegasus Stepper Motor Technical Specifications

Step Angle (Deg) 7.5 / 120  = 0.0625
Gear Ratio 1:120
Phases 4 (Unipolar Motor)
Voltage 12V DC
Current (A) 0.27
Pull-in Rate (PPS) 400
Pull-in Torque ( 60 (100pps)
Weight Stepper Motor, Universal L Shaped Adapter & Motor Coupler weight in total 250g