Leading manufacturer of camera tracking systems for virtual production – known for StarTracker, which enables markerless tracking for LED volumes and real-time VFX.
What is Mo-Sys?
Mo-Sys Engineering is a leading manufacturer of camera tracking systems, specializing in Virtual Production and LED Volume technology. Their most well-known product, the StarTracker, enables markerless real-time tracking for modern film and TV production.
Technical Definition
| Aspect | Details |
|---|---|
| Company | Mo-Sys Engineering Ltd. |
| Headquarters | UK |
| Core Product | StarTracker |
| Application | Virtual Production, XR, Broadcast |
Mo-Sys Products
StarTracker
| Parameter | Specification |
|---|---|
| Tracking Method | Optical, Star Pattern |
| Markers | Reflective dots on ceiling |
| Latency | < 10ms |
| Accuracy | Sub-millimeter |
| Frame Rate | Up to 120 fps |
Other Products
| Product | Function |
|---|---|
| StarTracker Studio | Full featured |
| StarTracker Mini | Compact |
| L40 | Pan/Tilt Head |
| VP Pro XR | XR Extension |
How StarTracker Works
The Principle
| Step | Description |
|---|---|
| 1. Markers | Reflective dots on ceiling |
| 2. Sensor | IR camera on film camera |
| 3. Detection | Marker pattern identified |
| 4. Calculation | Position + Rotation |
| 5. Output | Real-time data |
What is Tracked
| Parameter | Accuracy |
|---|---|
| Position X/Y/Z | ±0.5mm |
| Pan | ±0.01° |
| Tilt | ±0.01° |
| Roll | ±0.01° |
| Zoom/Focus | Optional |
Virtual Production Workflow
With LED Volume
| Step | Mo-Sys Function |
|---|---|
| Camera Moves | StarTracker captures position |
| Data → Unreal | Transmitted in real-time |
| Perspective Matches | LED wall reacts |
| In-Camera VFX | Final image live |
Advantages
| Advantage | Description |
|---|---|
| Real-Time | Visible instantly |
| In-Camera | Less post-production |
| Parallax | Correct perspective |
| Reflections | Natural on subject |
Mo-Sys vs. Other Systems
| System | Method | Mo-Sys Advantage |
|---|---|---|
| Ncam | Marker-based | Similar |
| OptiTrack | IR Markers | Mo-Sys often simpler |
| Vicon | Full-body Mocap | Mo-Sys specialized for camera |
| Stype | Optical | Mo-Sys more widespread |
Application Areas
Film & TV
| Application | Example |
|---|---|
| LED Volume | The Mandalorian style |
| Green Screen | Real-time compositing |
| Mixed Reality | Real + virtual sets |
Broadcast
| Application | Example |
|---|---|
| Virtual Sets | News studios |
| Sports | AR graphics |
| Events | Live visualization |
Gaming & XR
| Application | Description |
|---|---|
| XR Stages | Extended reality |
| Virtual Events | Online presentations |
| Esports | Augmented graphics |
Hardware Requirements
Minimal Setup
| Component | Description |
|---|---|
| StarTracker Unit | Mounted on camera |
| Markers | Installed on ceiling |
| Server | For computation |
| Connection | To render engine |
Full VP Setup
| Element | Mo-Sys Component |
|---|---|
| Tracking | StarTracker |
| Head | L40 (optional) |
| Software | VP Pro |
| Integration | Unreal/Unity |
Software Integration
Supported Engines
| Engine | Integration |
|---|---|
| Unreal Engine | Native Plugin |
| Unity | Plugin available |
| Notch | Supported |
| Disguise | Standard |
Protocols
| Protocol | Usage |
|---|---|
| FreeD | Industry standard |
| LiveLink | Unreal Engine |
| Custom | Flexible APIs |
The Legacy
History
- 2000s: Founding
- 2010s: StarTracker revolutionizes
- 2019: The Mandalorian makes VP mainstream
- Today: Industry standard
Influence
Mo-Sys made Virtual Production practical – their tracking is the foundation for the LED Volume revolution.
Today
| Aspect | Details |
|---|---|
| Market Position | Leader in VP Tracking |
| Adoption | Worldwide in studios |
| Cost | Mid-range to premium |
| Trend | Increasingly more VP stages use Mo-Sys |
Modern Development
Mo-Sys continuously expands its ecosystem – from more compact trackers to better software integration for the growing Virtual Production industry.
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