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Sprinter with motion capture markers and metrics overlaid

OptiTrack for Movement Sciences

OptiTrack systems offer the world’s leading blend of measurement accuracy and simple, easy-to-use workflows which provide researchers and biomechanists with ideal 3D tracking data for their studies.

Native, plug-and-play support for all major digital force plates, EMGs, and analog devices gives researchers the tools they need most for display and analysis in Visual3D, The MotionMonitor, MATLAB, and other third party biomechanics packages.

Precision Graph

The most accurate measurement system in the world.

OptiTrack systems typically produce less than 0.2 mm of measurement error, even across large tracking areas—even of those 10,000 sq ft or more. In smaller measurement areas, OptiTrack systems regularly produce errors of 0.1 mm or less.

Each part of every OptiTrack system has been designed with measurement accuracy as the principal goal. And now, with OptiTrack’s self calibrating systems, these levels of accuracy are maintained throughout the day, every day, just through the use of the system.

Accuracy in Large Volumes. Learn how The Ohio State University measured the dynamic 3D errors of OptiTrack motion capture systems.

Journal of Biomechanics, Volume 58, 237-240. Alexander M. Aurand, Jonathan S. Dufour, William S. Marras.


With clinically validated markersets for lower-body, full-body and multi-segment foot models directly available in Motive through its one-click subject calibration, Gait laboratories can easily integrate OptiTrack systems for seamless workflow without any compromises.

Gait Validation Study. Learn how the Rizzoli markerset offers superior biomechanical relevance when compared to conventional markersets like Helen Hayes and Plug-in-Gait.

Gait & Posture. 2007 Oct;26(4):560-71. Epub 2007 Feb 8. Leardini A1, Sawacha Z, Paolini G, Ingrosso S, Nativo R, Benedetti MG.

An Exoskeleton for Perturbing the Knee During Gait

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50 feet 15.2 m
75 feet 22.9 m
100 feet 30.5 m

Higher density markersets, even in large volumes.

OptiTrack’s world leading range to marker, which is typically 2× of other optical motion capture systems, means that higher density marker sets can be measured alongside traditional full-body tracking. In fact, OptiTrack delivered the world’s largest, high marker density measurement system where over 100 markers—3 mm in size—are tracked in less than a cubic foot over a tracking area of 1000 sq ft.

Outdoor mocap in the mountains.

Outdoor capture, out of the box.

Featuring ultra-powerful strobes and custom-engineered band-pass filters, Prime Series cameras track reflective markers outside—in full sunlight—with no need for special add-ons or hardware modifications.

Watch “Mocap in the Mountains”
Gait Lab

Maximize tracking areas.

Our specially-designed wide FOV, low distortion lenses provide for tracking areas as big as the setup area. There are no design compromises that are common with other systems, where the range falls off as the marker moves away from sensor center.

OptiTrack delivers true edge-to-edge coverage that is ideal for tracking every inch of compact areas like gait labs.

Prime Color

Prime Color

With a software operated filter switcher to enable calibration alongside other OptiTrack cameras, the Prime Color FS has the ability to overlay precision 3D motion capture data on the video image for data verification and CG reference for human movement studies.

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Recorded in 1080p at 250 FPS

Sync Multiple Cameras

Capture every angle of your subject in motion for complete analysis and artistic expression. Motive allows automatic syncing of up to 8 Prime Color cameras to enable multiple views and creative compositions.

Bertec 40x60 gait plate
AMTI Bertec Kistler

Force Plate Support

OptiTrack offers native plug-and-play support for all leading force plate manufacturers. When used with OptiTrack cameras and an eSync 2, Motive’s plug-and-play force plate support integrates all force plates and precisely synchronizes them with the kinematic data, as well as offering real-time streaming, capture, and export of all ground reaction force components. Using OptiTrack’s CS-400 calibration square users can now position force plates into the tracking volume through the one-click positioning feature. Best of all, this means no need to enter the calibration matrices or multiple analog cables.

National Instruments DAQ Device

DAQ support for EMGs and other analog devices.

Motive’s native support for National Instruments USB DAQ devices enables motion capture data and analog data to be synchronized within +/-5 µs per camera exposure, with support for input frequencies up to 50 kHz via the eSync 2. This allows for acquisition from any general analog device, including triggers, EMGs, force places, accelerometers, and force transducers.

A figure in a-pose with motion capture reflectors on them

Validated Biomechanics Markersets

Motive supports numerous biomechanics marker sets, with a focus on scientific and anatomically-valid options. Whether your analysis takes place in Visual3D, The MotionMonitor, MATLAB, or another third-party tool, these markersets provide robust marker tracking with real-time labeling.

Prefer a more detailed markerset for multi-segment studies? Motive’s standard markersets can be augmented with additional markers for capturing more verbose datasets.

Extensive native support for Visual3D & The MotionMonitor.

Motive focuses on what OptiTrack does best—providing a simple path to capturing the highest quality 3D data in the industry. For the most advanced biomechanics analysis and reporting on the market, we recommend Visual3D or The MotionMonitor—now with enhanced support from Motive.

Visual 3D screenshot The MotionMonitor screenshot

V3D and TMM-Friendly Markersets

Motive’s biomechanics markersets use naming conventions that are compatible with pre-built V3D and TMM models, providing a simple pathway between labeling and analysis.

Enhanced C3D Export

Combine tracking data, subject variables, device specs, force vector data, and analog device data into a single file—all following C3D formatting standards.

Real-Time Streaming

Stream live, labeled marker reconstruction data to native TMM, or to V3D via plugin to the Visual3D Real-time Server—ideal for real-time analysis, biofeedback, and verification.

The industry's most open optical tracking architecture.

Our free developer tools provide access to camera images, centroids, reconstructed 3D points, skeletal data, and nearly everything in between. This means that OptiTrack can fit into a range of existing workflows, without modifying your existing tools. Visit our Developer Hub to find the right SDK for your application.

Hospital Gait Lab

Easy to Use

The day-to-day use of OptiTrack systems reduces or eliminates redundant efforts to which lab engineers and operators are often accustomed. No more daily wand wave, and no more placement of the L-frame at force plate corners. In fact, individual force plate location was more accurately defined on installation using actual measurement rather than dimensional offsets.

Each camera can be used as reference video, synchronised and calibrated for overlay. This is a software selection, allowing users to change the reference view with each trial if desired.

NatNet SDK

Deep Toolsets for the Expert User

For the expert user with highly specialized technical requirements, OptiTrack’s open SDK enables development of customized workflows, system operation and data analysis. OptiTrack even offers a headless version with which other software can manage and operate the tracking system via your own wrapper. Well documented workflows and sample codes make custom integrations fast and easy.

OptiTrack's Motive software screenshot

Data Management Tools

Easily manage complex capture sessions by creating a list of trials in a spreadsheet and dragging them into Motive, or building the list directly in Motive’s project interface. Once a trial list has been created, Motive will automatically progress through it from one recording to the next, with options for revising lists and trials on the fly.

Batch processing

Large batches of trials can be processed and exported quickly and automatically via customizable scripts, using the Motive Batch Processor.

OptiTrack's Motive software screenshot

One-Click Subject Calibration

Calibrate new skeletons in an instant, with a single button click, for subject setup that is unprecedented in its speed and simplicity. One click subject calibration means in a single click, the subject is measured immediately, all markers labeled and tracked, and streaming or recording in real time.

Motive software Motive software
Prime Color camera

Setup is Easy

An OptiTrack pipeline is straightforward, offering several unique features that combine to reduce system setup time by up to 75%. Aim Assist, auto-masking, versatile hardware and the industry's longest range cameras make even large systems easy to setup with just one person.

Image of the OptiTrack PrimeX 41 camera with blue ring lights

Discrete IR Illumination

In addition to offering invisible illumination that is far gentler on subjects than visible red strobes, the Primex Series’ infrared LEDs offer faster discharge for quick exposures—perfect for capturing very fast motions.

Website Pricing Screenshot

Affordable pricing, right on the website.

Accessible pricing is at the heart of our effort to democratize motion capture. Simply put, you will not find production-ready motion capture priced more competitively than an OptiTrack system. If you want to learn which system is right for your budget, head over to our System Configurator to compare specs and prices. We encourage you to discuss your project with one of our Movement Sciences industry veterans.

In-house Manufacturing

In-House Manufacturing

Central to OptiTrack's blend of high performance and low price is our in-house manufacturing facility, located at our Oregon HQ. Because we're able to mill, etch, solder, assemble and calibrate every major component of our hardware on-site, we can pay meticulous attention to the quality and performance of your system.

Red Ethernet Cable

Off-the-Shelf I/O Technology

OptiTrack systems incorporate off-the-shelf interfaces like Cat6 Ethernet and USB, so securing a replacement is as simple as a trip to the electronics store.

Female with gait metrics overlaid

Join the world's largest motion capture community.

OptiTrack users form the largest community of motion capture professionals in the world. From enabling a quadriplegic to drive a race car with his head, to creating the largest volume in history, to teaching robots to fly—together, they are accomplishing remarkable things. Come join our public forums, where you can talk shop with other users, as well as the OptiTrack support and dev teams.