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Flex 13

With 1.3 MP resolution at 120 FPS, the Flex 13 is the world’s first megapixel mocap camera for under $1k. Enjoy fantastic precision at a surprisingly affordable price. Learn More ➝

Flex 13 Drawing

Documents & Videos

Compatible Software

ARENA Body & Prop Mocap
Body & Prop Mocap
Expression Face Mocap
Face Mocap
Tracking Tools 6DoF Object Tracking
Tracking Tools
6DoF Object Tracking
Camera SDK
Camera SDK

Tech Specs

Camera Body

  • Width: 2.12 inches (53.8 mm)
  • Height: 3.19 inches (81 mm)
  • Depth: 1.67 inches (42.4 mm)
  • Weight: 6.6 ounces (187 g)
  • Mounting: 1/4”-20 tripod thread
  • Status Indicators:
    • 2 digit numeric LEDs
    • 1 bicolor status LED

LED Ring

  • 28 LEDs
  • 850 nm IR
  • Adjustable brightness
  • Strobe or Continuous Illumination
  • Removable

Lens & Filter

  • Stock Lens: 5.5 mm F#1.8
    • Horizontal FOV: 56°
    • Vertical FOV: 46°
  • Optional Lens: 8 mm F#1.8
    • Horizontal FOV: 42°
    • Vertical FOV: 34°
  • M12 Lens Mount
  • Adjustable focus w/ spring assist
  • 800 nm IR long pass filter
  • Optional: 800 nm IR long pass filter w/ Filter Switcher

Image Sensor

  • Pixel Size : 4.8 µm × 4.8 µm
  • Imager Size : 6.144 mm × 4.9152 mm
  • Imager Resolution : 1280 × 1024 (1.3 Megapixels)
  • Frame Rate: 30-120 FPS (adjustable)
  • Latency: 8.3 ms
  • Shutter Type: Global
  • Shutter Speed:
    • Default: 500 µs
    • Minimum: 20 µs
    • Maximum: 7.5 ms (at 120 FPS)

Image Processing Types

  • Object
  • Segment
  • Precision Grayscale
  • MJPEG Grayscale
  • Raw Grayscale

Input/Output & Power

  • Data: USB 2.0
  • Camera Sync: USB 2.0 (via OptiSync)
  • Power: USB 2.0 @ 1 A

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.

In the Box

  • 1 Flex 13 camera Part number: FL-13
  • 1 Quick Start guide


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

View FAQs

Contact Support


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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.