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    OptiTrack-Flex 13

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    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.

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    TEL: +086-010-50951355 / FAX:+86-010-50951352

    Email : cathy@souvr.com / Frank@souvr.com / Robin@souvr.com / sales@souvr.com

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    Product Overview

    OptiTrack-Flex 13

    Introducing the Flex 13, offering the cleanest data that $1K can buy.

    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. Enjoy the precision and accuracy of a professional capture system at a price tuned for AAA and indie studios alike.

    Watch the Guided Tour
    Take a journey deep into the Flex 13 as we highlight features along the way

    The cleanest data that $1k can buy
    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.

    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 even in modest tracking environments.

    On-camera image processing
    The Flex 13 can send a variety of pre-processed image types to the PC, resulting in more efficient imaging and system scaling. Image processing types include:

     • 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.
     • Precision grayscale - 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.
     • Segment - Like precision grayscale processing, segment mode divides processing between the camera and CPU, providing streamlined marker information for CPU-efficient marker detection. Provides a balance between precision and processing load.
     • MJPEG-compressed grayscale - Full resolution grayscale frames, compressed on-camera for highly scalable scene video capabilities.
     • Raw grayscale - Full resolution, uncompressed grayscale.

    MJPEG compression
    Unique to OptiTrack cameras, on-camera MJPEG compression consumes 1/10th the bandwidth of uncompressed video while still enabling real-time grayscale video at full resolution and full frame rate (up to 1280 × 1024 @ 120 FPS). Compact, high-quality grayscale video enables image preview with multiple cameras, simultaneously—an indispensable tool for camera aiming and focusing during rig setup and calibration.

    Grayscale video access
    Access MJPEG grayscale video at up to 120 FPS and transform any Flex 13 into a high-speed scene camera. Simplify camera aiming and calibration, optimize skeleton configuration, provide live capture feedback, and improve post-capture cleanup with a variety of grayscale video options.'

    Calibrated scene video
    Because Flex 13 cameras can operate in grayscale mode, any of the cameras in your volume can be transformed back into a scene camera after calibration, enabling scene video that has exact position and orientation relative to the tracking volume.

    Improved skeleton definition
    Once scene cameras are calibrated within the volume, you can visually preview potential flaws for a higher level of accuracy. Simply compare the calibrated scene video with overlaid points to confirm that the skeleton aligns with the actor’s body segments and corresponding markers.

    Real-time tracking feedback
    Monitor the relationship between the actor and skeleton to confirm accurate tracking or to quickly diagnose unexpected behavior. Grayscale scene video is particularly useful during facial motion capture, offering real-time feedback for performance analysis.

    3D overlay
    Record MJPEG grayscale footage at up to 120 frames per second—5x faster than normal film playback speed. High-speed recording enables the correlation of scene video and tracking data on a frame-by-frame basis for precise analysis or cleanup in post.

    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.

    Flexible filtering options
    Customize your Flex 13’s lens filter for standard IR motion capture or visible-spectrum reference video, for light filtering that is perfectly suited to your capture environment and application. Include the Filter Switcher add-on for quickly swapping between both filtering options.

    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.'

    OptiSync
    OptiSync1 is OptiTrack's custom synchronization system, which sends and receives sync signals over USB cable. As a result, cabling is reduced by 50%, which enables faster and simpler setup.

    External sync in/out
    Integrate Flex 13 cameras into scientific and studio ecosystems with external sync in and out1, enabled with the OptiHub 2. Utilize frame triggers or free-run triggering to synchronize frame cycling with external software controls and hardware components like force plates and shutter glasses.
     
    OptiHub
    Improve power regulation, camera syncing, tracking distance, and more.

    OEM integration
    Incorporate Flex 13 cameras into custom vision or tracking applications via the free Camera SDK.

    Compare Cameras

     Prime 41Prime 17WPrime 13Prime 13WPrime Color
    Resolution2048 × 20481664 × 10881280 × 10241920 × 1080
    Frame Rate180 FPS360 FPS240 FPS250 FPS
    Latency5.5 ms2.8 ms4.2 msn/a
    Filter Switcher1NoNoIncludedOptional
    Bundled Softwaren/a
    Finger TrackingYesNoYes
    Single-device Multi-camera TrackingNo
    Maximum Units Per Workstation96+8
    Maximum Range3
       Using 5/8 inch markers
    100 feet4
       30.5 meters
    50 feet
       15.2 meters
    40 feet
       12.2 meters
    20 feet
       6.1 meters
    n/a
    Stock Lens
       Horizontal FOV
    51°70°56°82°?
    Stock Lens
       Vertical FOV
    51°49°46°70°?
    Optional Lenses
       Horizontal FOV
    n/an/a42°n/a?
    Optional Lenses
       Vertical FOV
    n/an/a34°n/a?
    InterfaceGigE/PoE+GigE/PoE
    Synchronization MethodNetworkWired
    Image Processing ModesRaw Grayscale, Segment, Object, and MJPEG10, 11, 12n/a
    Number of LEDs17020 (UHP)136210 (UHP)13n/a
    LED Strobe ModeYesn/a
    LED Intensity ControlYesn/a
    Shutter TypeGlobal
    Electronic Exposure ControlYes
    Frame Rate ControlYes
    Camera BodyAluminum & Polycarbonate
    Standard Tripod Mount
       -20 Thread
    Yes

     

     Slim 13EFlex 13Flex 3Slim 3UV120:TrioV120:Duo
    Resolution1280 × 1024640 × 480640 × 480 (×3)640 × 480 (×2)
    Frame Rate240 FPS120 FPS100 FPS120 FPS
    Latency4.2 ms8.3 ms10 ms8.3 ms
    Filter Switcher1IncludedOptionalIncluded2No
    Bundled Softwaren/aMotive:Tracker 
       (Perpetual License)
    Finger TrackingYesNo
    Single-device Multi-camera TrackingNoYes
    Maximum Units Per Workstation96+241
    Maximum Range3
       Using 5/8 inch markers
    40 feet
       12.2 meters
    40 feet5
       12.2 meters
    36 feet5
       11 meters
    n/a
    Stock Lens
       Horizontal FOV
    56°56°46°n/a47° 647° 6
    Stock Lens
       Vertical FOV
    46°46°35°n/a43°43°
    Optional Lenses
       Horizontal FOV
    42°42°38°, 58°38°, 46°, 58°, Other7n/an/a
    Optional Lenses
       Vertical FOV
    34°34°29°, 45°29°, 35°, 45°, Other7n/an/a
    InterfaceGigE/PoEUSB 2.0
    Synchronization MethodNetworkOptiSyncWired and OptiSyncWired8n/a9n/a9
    Image Processing ModesRaw Grayscale, Segment, Object, and MJPEG10, 11, 12Precision Grayscale, Raw Grayscale, Segment, Object, and MJPEGPrecision Grayscale, Segment, and MJPEG
    Number of LEDsn/a2826n/a26 (×3)26 (×2)
    LED Strobe Moden/aYesn/aYes
    LED Intensity Controln/aYesn/aYes
    Shutter TypeGlobal
    Electronic Exposure ControlYes
    Frame Rate ControlYes
    Camera BodyAluminum & PolycarbonateAluminumAluminum14Aluminum
    Standard Tripod Mount
       -20 Thread
    YesYes14Yes
    1. Allows cameras to switch between infrared and visible light for scene video.

    2. Center imager only.

    3. Distance at which a marker is visible as a single pixel.

    4. Using Maximum Power for IR strobe, which requires a PoE+ Ethernet switch.

    5. Using High Power strobe mode, which requires an OptiHub.

    6. Horizontal FOV is based on the overlapping of cameras.

    7. Also accepts third-party CS/C/M12 lenses.

    8. Requires using the optional V120 Sync Break-Out Cable.

    9. Hardware sync between multiple V120:Duo and V120:Trio devices is not supported.

    10. Prime 41 MJPEG is downsampled to 1/16 resolution (512 × 512).

    11. Prime 17W MJPEG is downsampled to 1/4 resolution (832 × 544), frame rate is adjustable from 30 FPS to 350 FPS.

    12. Prime 13 and Prime 13W MJPEG is downsampled to 1/4 resolution (640 × 512)

    13. Ultra high power LEDs (UHP).

    14. With purchase of optional V120:SLIM case.

     

     

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