What is the Phantom v2640?
The Phantom v2640 (2017) is Vision Research's scientific and industrial flagship for extreme high-speed applications. With up to 25,030 fps at HD resolution and 6,600 fps at full 4-megapixel resolution, it is designed for applications where even the Flex4K is too slow – ballistics, crash tests, explosions, and scientific research.
Technical Specifications
| Feature | Value |
|---|
| Sensor | 4 Megapixel CMOS |
| Resolution | 2048 × 1952 (max) |
| Max fps @ 4MP | 6,600 fps |
| Max fps @ 1080p | 11,750 fps |
| Max fps @ 720p | 17,540 fps |
| Max fps (minimum) | 25,030 fps @ 128 lines |
| ISO | 6,400 (Color), 16,000 (Mono) |
| Dynamic Range | 12 Stops |
| Internal RAM | Up to 288 GB |
Key Features
- 25,030 fps – Extreme slow motion
- 6,600 fps @ 4MP – High resolution + speed
- 288 GB RAM – Long recording duration
- High ISO – Better light sensitivity than Flex4K
- Mono version – Even more sensitive
- Binning modes – Flexible resolution/fps trade-offs
Resolution vs. Speed
| Resolution | Max fps | Slow Motion (@ 24 fps) |
|---|
| 2048 × 1952 (4MP) | 6,600 | 275x |
| 1920 × 1080 (HD) | 11,750 | 489x |
| 1280 × 720 | 17,540 | 731x |
| 768 × 576 | 23,080 | 962x |
| 640 × 128 | 25,030 | 1,043x |
v2640 vs. Flex4K
| Feature | v2640 | Flex4K |
|---|
| Target Audience | Science/Industry | Film/Commercials |
| Max fps @ HD | 11,750 | 2,564 |
| Max Resolution | 2048 × 1952 | 4096 × 2304 |
| ISO | 6,400 (Color) | 800 |
| Sensor Size | APS-C similar | 35mm |
| Price | ~$150,000 | ~$150,000 |
Conclusion: Flex4K for cinematic quality, v2640 for extreme speed.
Typical Applications
Ballistics & Military
- Projectile trajectories
- Impact analysis
- Explosion documentation
- Body armor testing
Automotive Industry
- Crash tests
- Airbag deployment
- Suspension analysis
- Engine testing
Science
- Biology (insect flight, etc.)
- Physics experiments
- Material research
- Fluid dynamics
Entertainment
- YouTube High-Speed Channels
- Science TV ("MythBusters")
- Commercials for extreme shots
- Sports analysis
The Mathematics of Extreme Slow Motion
At 25,000 fps
| Real Time | Playback @ 24 fps |
|---|
| 1 Second | 17.4 Minutes |
| 100 ms | 1.7 Minutes |
| 10 ms | 10.4 Seconds |
| 1 ms | 1 Second |
What Can Be Seen
| Event | Duration | Frames @ 25,000 fps |
|---|
| Bullet impact | ~1 ms | ~25 Frames |
| Lightning strike | ~100 µs | ~2.5 Frames |
| Airbag deployment | ~30 ms | ~750 Frames |
| Droplet splash | ~50 ms | ~1,250 Frames |
Lighting Requirements
Extreme fps require extreme amounts of light:
| fps | Exposure Time | Light Requirement vs. 24 fps |
|---|
| 6,600 | 1/13,200 s | 275x |
| 11,750 | 1/23,500 s | 490x |
| 25,000 | 1/50,000 s | 1,040x |
Practical Solutions
- Daylight – Best option for extreme fps
- High-power Xenon – For indoor use
- Laser illumination – For specialized applications
- Monochrome version – 2–4x more sensitive
The Monochrome Version
Phantom offers a monochrome version (v2640-M):
| Feature | Color | Monochrome |
|---|
| ISO | 6,400 | 16,000+ |
| Resolution | Bayer interpolated | True pixels |
| Application | General | Scientific |
| Sensitivity | Normal | 2–4x better |
Advantage: No Bayer filter = more light per pixel.
Internal Memory (RAM)
The v2640 offers up to 288 GB of internal RAM:
| RAM | Recording Duration @ HD/11,750 fps |
|---|
| 72 GB | ~3 seconds |
| 144 GB | ~6 seconds |
| 288 GB | ~12 seconds |
Why RAM instead of SSD?
- Write Speed: RAM: ~300 GB/s, SSD: ~3 GB/s
- At 11,750 fps: Requires ~25 GB/s
- No SSD can handle this – only RAM is fast enough
Workflow
- Record to RAM
- After recording: Transfer to CineMag/SSD
- Transfer takes significantly longer than recording
The Slow Mo Guys and YouTube
The v2640 gained fame through YouTube channels:
The Slow Mo Guys
- Gavin Free and Daniel Gruchy
- Millions of views on YouTube
- v2640 for extreme shots
- "How Stuff Actually Works"
Typical Content
- Water droplet splash
- Glass breaking
- Explosions (controlled)
- Sports movements
- Everyday phenomena
Scientific Significance
Research Areas
| Field | Application |
|---|
| Ballistics | Projectile analysis |
| Biomechanics | Insect/animal movement |
| Fluid dynamics | PIV measurements |
| Materials science | Crack propagation |
| Medicine | Surgical analysis |
Publications
The v-series appears regularly in scientific publications for visualizing fast phenomena.
Cost and Availability
| Aspect | Details |
|---|
| Purchase Price | ~$110,000–$180,000 |
| Rental/Day | €2,500–4,000 |
| Availability | Specialty rental houses |
| Typical User | Science, industry, special content |
Limitations
For Film Production
- Sensor smaller than 35mm
- Not intended for normal cinematography
- Less dynamic range than cinema cameras
- Workflow is more complex
Practical
- Extreme lighting requirements
- Short recording duration (RAM-limited)
- Specialized expertise required
- High data volumes
Today
| Aspect | Details |
|---|
| Status | Current production |
| Successor | v2640 Onyx (improved) |
| Market Position | Leading for >10,000 fps |
| Competition | Photron FASTCAM SA-Z |