Flex 13
Flex 13
A medium volume motion capture camera with excellent precision.
Real-Time Precision
The Flex 13’s 1.3 MP imager offers over 4x the resolution of a Flex 3. When combined with OptiTrack’s proprietary real-time processing algorithms, it can track motions within a tolerance of less than 0.5 mm—ideal for rigorous tracking applications, such as multi-actor capture and complex motion tracking.
With an impressive 1.3 million pixels of resolution, 120 FPS sample rate, and an immense 56° field of view, the Flex 13 is an achievement in efficient, affordable motion capture.
Big Results With A Small Price.
Enjoy the precision and accuracy of a professional capture system at a price tuned for AAA and indie studios alike.
Maximize Your Capture Volume.
You asked for more capture volume, and we were listening. When deployed with the default 56° lens in a standard 20’ × 20’ arrangement, the camera can attain an active capture area that is among the largest in the industry, which allows for extensive capture volumes.
Processing Types
Precision
Similar to Object processing, but sends selective grayscale images of markers to the PC for calculation of object data. Provides the most verbose marker information, but requires more CPU resources than Object processing.
MJPEG-Compressed Grayscale
Full resolution grayscale frames, compressed on-camera for highly scalable scene video capabilities.
Object
Performs on-camera detection of marker location, size, and roundness using our most precise grayscale processing methods. Provides excellent precision with the smallest CPU footprint.
Raw Grayscale
Full resolution, uncompressed grayscale.
Full Resolution Grayscale Reference Video
All Flex 13 cameras can be used as a reference video source – with synchronized, calibrated 3D overlay. Deliver and/or record full resolution, full frame rate video with 3D overlay of markers, rigid bodies, skeletons, etc.
Zero Drift. Pure Precision.
Motive calibrates automatically and continuously with data collected during normal use of the system. No longer does your calibration degrade over time with changing temperatures or challenging building movement—it is always a “fresh” calibration.
Aim Assist
Single user camera setup & aiming One person can efficiently setup and aim a complete Flex 13 system with OptiTrack’s on-camera Aim Assist. One button press brings the camera view to full screen, sets the image to grayscale, retracts the IR filter and increases the exposure for additional lighting and better image clarity. The image is perfect so that placing reference markers on the capture volume floor is no longer necessary. Aim each camera conveniently and precisely without even needing to touch the software interface. Once a camera has been aimed, move on to the next with a single button push.
Interchangeable M12 lenses
The Flex 13 can be optimized for a variety of applications with custom-designed, interchangeable M12 lenses. Choose between 5.5mm and 8mm EFL lenses to adapt your cameras to your ideal capture volume. Both feature a special spring focus assist, very low distortion, and fast F#1.8 apertures for increased tracking distance. Typical applications utilize 5.5mm lenses for standard tracking applications and 8mm lenses when additional range or pixel density is required.
Unobtrusive infrared light
Flex 13 cameras emit 850nm IR light, which is nearly invisible, for inconspicuous illumination that prevents the vision fatigue and unwanted attention to your capture rig caused by cameras that emit visible spectrum light.
Motive is behind every seamless workflow
OptiTrack’s Motive software delivers speed, precision, and ease of use, streamlining everything from calibration to real-time streaming, while tools like Aim Assist and auto-masking make even large system setups simple for one person.
- 3D accuracy referenced is typical for a 30’×30′ (9m×9m) tracking area. Range is estimated using a 14 mm marker with cameras at an exposure of 800, gain of 6, and the lowest f-stop. ↩︎
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