Rayfin Mk2 Coastal 500m
✓ In stock ✓ Available to rent
The Rayfin Coastal delivers high-performance, field-proven results for shallow-water and drop/tow surveys and inspections. With SubC’s proprietary BPC (Boost-Power Comms) technology, you get power, video, control, and data over a single twisted pair or coax, slashing cabling costs and simplifying your setup.
Stream live video to the surface while recording footage the way you need it—either to internal storage or directly to a topside PC. No matter the mission, you get real-time visibility and reliable, high-quality data capture every time.
Key features:
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Record internally or save directly to a topside PC—no downloads required.
Store hours of 4K video and thousands of stills.
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4K/HD video and high-res stills with 10x digital zoom (equivalent to 5x optical zoom)
Wide field of view and LiquidOptics™ for sharp, distortion-free images.
Real-time enhancement when visibility is low and anti-turbidity mode to keep you focused on your target
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Log metadata such as depth, temperature, tilt, and roll alongside image and video files.
Automatically embeds your stills with EXIF data.
Capture additional NMEA data from external sensors, including GPS, altitude, and more.
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Low latency video for real-time visual feedback and camera control
Real-time data annotation into video overlays and audio narration for clear, in-context documentation - *In Topside Storage mode only
Aux ports support integration with external lights, lasers, and sensors.
Live Video Image Enhancement
With a click of a button get clear visuals when visibility is compromised.
End-to-End Support
Invested in the success of your system and project, we offer comprehensive remote training and ongoing support.
Versatile Power and Data Over a Single Line
SubC’s Boost-Power Comms (BPC) technology delivers power, video, control, and data over a single cable—cutting costs and simplifying setup.
Specs & Details
Specs
Rayfin Coastal | |||
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Sensor and Lens | Lens and Optics | Water-corrected, scratch-resistant sapphire LiquidOpticsTM | |
Angle of View (in water) | 81-degree diagonal with less than 3.4% distortion | ||
Image Sensor | 12.3MP | 4056 x 3040 pixels | 12-bit CMOS | ||
Zoom | 10x Digital (5x Optical zoom equivalent) | ||
Focus Range | 15cm to infinity | ||
Data Formatting | Ethernet Video | RTSP H.265 and H.264 - 4K | 1080p | 720p | |
Data Capture Modes | Real-Time Media Transfer | Real-time digital stills and data to topside over Ethernet. Stored on HDD, SSD or NAS. | |
Internal Storage | 512GB: 10+ hours of 4K video, 40+ hours of HD video and thousands of photos. Optional 1TB upgrade doubles capacity. | ||
Media Formats | Video - MPEG4, H.264, H.265 | Stills - JPEG | Data - CSV | ||
Control | Over Ethernet with provided SubC DVR+Overlay software | Rayfin API is available for 3rd party integration | ||
Data Logging | NMEA 0183 & 2000 format @ 10Hz | ||
Clock Sources | NTP Server, Time from Data string | ||
Electrical and Mechanical | Aux Ports | Two ports, capable of powering and controlling LED Strobe/Lamps, Lasers and other devices | |
Built-in Sensors | Tilt, Roll, Depth and Temperature | ||
Voltage and Maximum Power | 40 - 78 Vdc @ 18 Watts |
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Protection | Short circuit | Under-over voltage | ESD | Over-temperature | ||
Temperature (in water) | -20˚C to +30˚C | ||
Depth Rating | 500m | ||
Materials | Anodized 6061-T6 Aluminium, Delrin, Sapphire | ||
Weight (in water) | 0.8 Kg | ||
Dimensions | Ø 101 | 241.5mm x 89mm |



Camera Comparison Chart
All Rayfin Models | |||||
---|---|---|---|---|---|
Image Sensor | 12.3MP | 4056 x 3040 pixels | 12-bit CMOS | ||||
Lens and Optics | Water-corrected, scratch-resistant sapphire LiquidOpticsTM | ||||
Angle of View (in water) | 81-degree diagonal with less than 3.4% distortion | ||||
Zoom | 10x Digital (5x Optical zoom equivalent) | ||||
Focus Range | 15cm to infinity | ||||
Ethernet Video | RTSP H.265 and H.264 - 4K | 1080p | 720p | ||||
Media Formats | Video - MPEG4, H.264, H.265 | Stills - JPEG | Data - CSV | ||||
Rapid Digital Imaging (RDI) | Configurable continuous stills; 2Hz (2 per second) to 0.1Hz (1 every 10 seconds) | ||||
Data Capture Modes | Real-Time Media Transfer | Real-time digital stills and data to topside over Ethernet. Stored on HDD, SSD or NAS. | |||
Internal Storage | 512GB: 10+ hours of 4K video, 40+ hours of HD video and thousands of photos. Optional 1TB upgrade doubles capacity. | ||||
Control | Over Ethernet with provided SubC DVR+Overlay software | Rayfin API is available for 3rd party integration | ||||
Data Logging | NMEA 0183 & 2000 format @ 10Hz | ||||
Clock Sources | NTP Server, Time from Data string | ||||
Temperature (in water) | -20˚C to +30˚C | ||||
Protection | Short circuit | Under-over voltage | ESD | Over-temperature | ||||
Aux Ports | Two ports, capable of powering and controlling LED Strobe/Lamps, Lasers and other devices | ||||
Rayfin Micro | Rayfin Coastal | Rayfin Benthic | Rayfin w/ Hibernate Option | ||
Application | Live inspections and surveys with small subsea systems as deep as 500m | Drop and Tow camera systems | Live inspections and surveys / Battery-powered systems / observatory / and more |
Timelapse of deep sea habitats and structures | |
Model Differentiators | Light weight, small size, lower cost | SubC BPC technology for power and data over twisted pair or coax | Titanium and Sapphire construction multi-purpose camera for ROV, autonomous systems, observatories and more. | Contains the Hibernate option for low power consumption, allowing batteries to last for months to years | |
Built-in Sensors | Tilt and Roll | Tilt, Roll, Depth and Temperature | Tilt and Roll. Optional Depth and Temperature |
Tilt and Roll | |
Depth Rating | 500m | 6000m | |||
Materials | Anodized 6061-T6 Aluminium, Delrin, Sapphire | Grade 5 Titanium, Delrin, Sapphire | |||
Voltage and Maximum Power | 12 - 32.5 Vdc @ 7.4Watts | 40 - 78 Vdc @ 18 Watts |
16.5 - 32.5 Vdc @ 13.5 Watts | 7.4Watts Max. 20 mW while Hibernating | |
Weight (in water) | 0.46 Kg | 0.8 Kg | 1.6 Kg | ||
Dimensions | Ø 77.5 | 165mm x 64.5mm | Ø 101 | 241.5mm x 89mm | |||
All SubC camera products come with the SubC Annual Success Program, which includes end-to-end support consisting of warranty, manuals, on-boarding, and human support. |
Applications
The Rayfin Mk2 Coastal 500m can be used for a variety of subsea applications. It is available to buy or rent.
Seafloor Tow Camera System Upgrades
Drop Camera Systems
Mid-Ocean Monitoring
Aquaculture Site Surveys
Environmental & Area Based Surveys
Offshore Wind Site Surveys
ROV Camera Upgrades
And More!
SubC Camera Systems
The Rayfin Coastal integrates with select SubC Camera Systems used in marine research, ocean science, offshore energy, and other applications.
Tow Camera System
Mainly used in marine research using smaller vessels and working in a shallow-water depth of under 500 meters to collect 4k or HD subsea videos.
Product Demo
SubC team members walk you through a demo of our Rayfin camera paired with the DVR + Overlay software. This advanced system is designed to streamline your inspection and survey workflows, addressing common industry pain points and enhancing efficiency.
Explore how our integrated solution simplifies operations, improves data handling, and delivers superior image quality -- all while saving you time and costs.

Built to Do More
The Rayfin isn’t just a camera. It comes fully equipped with advanced software and built-in tools to capture high-quality imagery and log critical data.
No upgrades needed. No add-ons required. Just everything you need, ready to go.
Case Studies & Resources
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