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Marker-based facial motion capture software, including markerset templates, editing tools, streaming, and .C3D export. Learn More ➝

Expression screenshot


Compatible Products

Tech Specs

Capture and Tracking

  • Face Motion Capture
  • Sub-millimeter precision
  • Real-Time 3D preview
  • Single operator control


  • Camera Calibration
  • Rigid Body Template Creation
  • Face Marker Placement and Template Creation

Streaming Support

  • MotionBuilder 7.5, 2009-2013
  • DAZ Studio
  • NatNet SDK

Camera Support

  • Up to 24 USB Cameras
  • Up to 96 Ethernet cameras
  • Synchronized Scene Video
  • Multi-Camera calibration

Export Formats

  • C3D
  • FBX (opticals only)

Editing and Cleanup Tools

  • Swap Fix
  • Auto/Manual Fill Gaps
  • Move Tracks
  • Smooth Tracks
  • Draw Track Curves


  • Camera Sync Output (via OptiHub)
  • Camera Sync/Trigger to External Input (via OptiHub)

System Requirements

Recommended system requirements can vary significantly based on camera model and count. Please visit the system builder tool to find system recommendations tailored to your specific setup.

Additional Info

  • Part number: ARN-EXP


Frequently asked questions about motion capture, system setup and licensing.

View FAQs

Contact Support


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We've received your request and opened a support ticket.

To create a new support ticket, please use the submission form below.

OptiTrack support requires a proof of warranty in the form of a hardware serial number, unexpired license number, or order number. Please input this information into the form so that we can assist you more quickly.

All users can visit the help desk web portal, to browse the Knowledge Base as well as past support tickets.

License Tool

Activate My License Help

Re-submitting your registration information will:

  • Update your e-mail address
  • Re-send files to your e-mail address

Use a device serial number from a Hardware Key.

Software licenses can only be activated once.

Your license cannot be transferred to a different serial number once activated.

For more information, please see the Licensing & Activation FAQ.

Check My License Help

What happens when my license expires and updates are not purchased?

  • The customer will no longer have access to updates or new releases of the software.
  • The version of the software for which the customer's license was originally valid will continue to work.

For more information, please see the Licensing & Activation FAQ.