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ARRI cforce Plus Lens Motor - Basic Set

Abel Code: AR-KK.0008824
Mfr. Code: KK.0008824
Estimated to Ship – Contact Sales for Availability
This lens control motor features dual LBUS connectors for daisy-chaining up to (3) motors, very fast and exceptionally smooth operation, sufficient torque for actuation of large primes and zoom lenses, and standard rod mounting options.
Key Highlights
  • For Alexa MINI, AMC-1 & UMC-4
  • Dual LBUS ports for daisy-chaining
  • Multiple rod mounting options


The ARRI cforce Plus Lens Motor - Basic Set is strong enough to actuate the geared rings of any standard lens with very fast, smooth motion, and features twin LBUS connectors that allow up to (3) cforce motors to be daisy-chained in a row. With this motor, productions are no longer restricted to lightweight lens configurations on the ALEXA Mini, but can also build the camera up into a studio configuration with a larger prime or zoom lens.

The cforce Plus Lens Motor offers various rod-to-rod mounting options (comparable to those of the CLM-4 motor), including a Hill Bracket rosette, as well as the standard rod bracket for maximum flexibility on set. The standard rod clamp includes a hinge for convenient mounting when the camera is already built.

As well as interfacing directly with the ALEXA Mini, the cforce Plus connects to ARRI’s AMC-1 and UMC-4 motor controllers for camera-independent setups. It is fully compatible with LBUS-compatible motion devices.

IMPORTANT NOTE: LBUS motor cables are sold separately.

If you add an optional CMotion compact camin (C0J6-K10) you can incorporate wireless functionality to your cforce motors.


Software Update:

ARRI has released Software Update Packet (SUP) 1.2.3 for the cforce plus Lens Motor. This SUP adds the following new features and changes:

  • Several Bug fixes

The cforce plus Lens Motor can be updated from external devices through its LBUS interface. The following devices provide update functionalities for cforce plus Lens Motor:

  • ALEXA Mini LF
  • ALEXA Mini
  • ARRI Wireless Compact Unit WCU-4
  • ARRI Active Motor Controller AMC-1
  • ARRI Universal Motor Controller UMC-4
  • cmotion compact hand unit
  • cmotion cworld

NOTE: Please refer to respective device user manuals for further information.

What's in the Box

  • K2.0009335 - cforce Plus Gear m0.8/32 pitch, 60 teeth
  • K2.0008678 - cforce Plus Clamp Console 19/15 mm
  • K2.0008819 - cforce Plus Motor Unit


Key Highlights

  • For Alexa MINI, AMC-1 & UMC-4
  • Dual LBUS ports for daisy-chaining
  • Multiple rod mounting options
  • 15mm/19mm rod compatibility

Mechanical & Electronic Controls

Gear Ratios:
# Teeth:
Rod Standard:
Mechanical Options:
2 x LBUS Connector


17 in
13 in
19 in
15 lb
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