HD Camera

HD Camera (DWCA-HDF, DWCA-HDC, DWCA-HDI)

DWTEK HD camera series offers high-quality video output in Y/CB/CR 4:2:2 via LVDS (digital) or ethernet (network). Designed for subsea applications, these cameras provide a cost-effective solution for underwater monitoring while maintaining a light and miniature design. Engineered from durable marine-grade hard anodized 6061-T6 aluminum, the HD series ensures reliability even in harsh conditions, with an operational depth of up to 2,000 meters. The HD series is well-suited for a range of applications including underwater ROVs, other types of underwater vehicles, divers, etc.

The options for angles of view, ranging from 63.7° wide end to 2.3° tele end (models DWCA-HDF and DWCA-HDC) to a fixed 92° angle (DWCA-HDI), these cameras cater to different needs. Additionally, they support video transmission methods including fiber (DWCA-4KF), coax (DWCA-HDC), and ethernet (DWCA-HDI). 

Application

• ROV
• Diving equipment
• Underwater survey system
• Offshore, defense, O&G subsea systems
• Vessel and winch monitoring

**All product descriptions and specifications are subject to be changed without notice.

How to choose the right ROV camera？5 key performance considerations

Selecting the best ROV camera depends on the mission requirements and operational conditions. Below are the five key performance considerations you should take into account:

Consideration 1: Depth Rating

The depth rating of an ROV camera defines how deep it can operate without compromising performance or structural integrity. It’s one of the most critical specifications, especially for deep-sea exploration, offshore oil & gas inspection, and scientific research.

• Shallow water cameras (typically rated to 100–300 meters) are ideal for coastal inspection, aquaculture monitoring, and diver-assisted missions.

• Mid-depth cameras (rated up to 1,000 meters) support offshore maintenance and industrial surveys.

• Deepwater cameras (rated beyond 3,000 meters) are engineered for extreme pressure conditions and are commonly used in oceanographic studies or deep-sea mining.

Consideration 2: Resolution (SD to 4K)

ROV cameras range from standard definition (SD) to ultra-high-definition 4K models. For basic inspections or visual feedback, SD or analog HD (AHD) cameras may suffice. However, detailed inspections, especially for structural integrity, benefit from high-definition (HD) or 4K resolutions that provide crisp, clear images.

• SD cameras: Basic visual feedback, cost-effective, suitable for simple tasks.

• AHD cameras: Real-time analog HD with low latency, favored in many industrial inspections.

• HD cameras: High resolution, standard for most inspection missions.

• 4K cameras: Premium video quality for advanced subsea operations requiring detailed imagery.

Consideration 3: Light sensitivity

Since underwater environments can be dark and murky, light sensitivity is crucial. Cameras designed for low-light conditions or those compatible with lighting systems enable better imaging.

Consideration 4: Compact Size

Space constraints on ROVs, especially micro and inspection-class units, demand cameras with a small footprint. A compact camera allows for easy integration on lightweight or portable ROVs, improved maneuverability, reduced drag and flexibility in multi-sensor setups (e.g., pairing with lasers or manipulators).

Consideration 5: Signal output (AHD, digital, analog)

Different cameras offer varying output signals like AHD, digital, or analog. The choice affects image quality, latency, and compatibility with existing subsea control systems. Knowing the depth rating and connector type ensures the camera suits the vehicle and mission environment.

How ROV cameras work in harsh subsea conditions

ROV cameras are able to work in such harsh subsea conditions due to two key factors: robust mechanical design and specialized optical and electronic systems. These elements work together to ensure that the camera can withstand the unique challenges of deep-sea environments, such as extreme pressure, darkness, and unstable currents.

The first factor is robust mechanical design for a precision-engineered housing. At great depths, water pressure can reach levels strong enough to crush ordinary equipment. To resist this, ROV cameras are enclosed in housings made from corrosion-resistant metals like titanium or aluminum alloys, machined with ultra-high precision. For example, DWTEK employs DMG Mori machines—renowned for their accuracy—to manufacture robust camera housing. This prevents water ingress and ensures the camera’s internal electronics stay completely sealed and protected, even after long periods underwater.

The second factor is specialized optical and electronic systems tailored for subsea use. In deep-sea conditions where natural light is nearly nonexistent, ROV cameras rely on specially designed optics and powerful LED or infrared lighting systems to capture clear images. 

Together, these design innovations allow ROV cameras to perform reliably and deliver vital imagery from the most unforgiving underwater environments.

Where are ROV and subsea cameras used?

ROV cameras find applications across various industries, playing an essential role in enhancing underwater operations across sectors. Their ability to capture high-quality, real-time images in harsh subsea environments makes them invaluable for inspection, research, and safety missions. Below are some of the common use cases:

Ship hull and structure evaluations

Underwater hull inspections using ROV cameras offer an efficient way to assess a vessel’s underwater structure without the need for dry-docking. These inspections help identify hull damage, biofouling, and maintenance needs, ensuring the ship’s safety and performance. With real-time high-resolution visuals, operators can make informed decisions quickly, saving both time and cost.

ROV cameras are also essential for monitoring marine growth, the buildup of organisms like algae, barnacles, and mussels on underwater structures such as wind turbines, offshore platforms, pipelines, and ships. This growth can damage structures and reduce efficiency, making regular maintenance essential.

In some cases, the accumulated weight of marine growth can reach hundreds of kilograms, or even several tonnes in extreme scenarios. Also, sticky secretions from biofilms create uneven oxygen levels on steel surfaces, causing a process known as microbiologically influenced corrosion (MIC). These can significantly weaken the structural integrity of submerged assets.  With ROV cameras’ detailed imaging, operators can plan targeted cleaning and maintenance to keep turbines operating safely and efficiently.

Offshore Inspection and Subsea Pipeline Monitoring

ROV cameras play a crucial role in the inspection of offshore oil rigs, platforms, and subsea pipelines. These advanced cameras provide detailed visuals that help detect early signs of corrosion, cracks, or structural damage. In particular, continuous monitoring of pipelines that transport oil, gas, and other resources allows operators to identify leaks or mechanical issues in real time. This proactive approach not only minimizes costly downtime but also helps prevent environmental disasters caused by undetected failures, ensuring both operational safety and regulatory compliance.

Marine biology and ecosystem research

Marine scientists and researchers use ROV and subsea cameras to study underwater flora and fauna without disturbing their natural habitats. These cameras allow for detailed documentation of ecosystems, species behavior, and environmental changes over time, which is critical for conservation efforts and scientific discoveries.

Search and recovery operations

ROV cameras provide critical visual support during search and recovery missions by delivering clear images of the seabed in murky or deep waters. They help locate sunken vessels, aircraft wreckage, or lost cargo, especially in areas too dangerous or inaccessible for divers.

How much do ROV cameras cost? Understanding price factors

ROV camera prices vary widely depending on several core factors. The most obvious is camera resolution and functionality—standard definition (SD) units are more budget-friendly, while high-definition (HD), 4K, or cameras with special features like infrared, low-light, or wide dynamic range tend to cost more due to their advanced sensors and optics.

Another key factor is the quality of the housing and build materials. To survive in harsh underwater environments, ROV cameras are often made from corrosion-resistant metals like stainless steel or titanium. These require precision machining to ensure durability and watertight integrity, which increases production cost.

FAQ

Q1. Can I use DWTEK’s ROV cameras with my own ROV?

Yes. DWTEK’s ROV cameras are designed for broad compatibility and can be integrated with most ROV systems. Customization services are also available to adapt connector types, signal formats, or power configurations—ensuring seamless integration with your specific vehicle or platform.

Q2. What resolution is best for underwater inspections?

Resolution choice depends on the task. SD or AHD cameras work for basic inspections. For detailed views, HD or 4K cameras offer clearer, sharper images, enabling precise assessment and zoom capability.

Q3. Do ROV cameras come with lighting or require separate systems?

Some cameras have built-in lighting, but separate subsea lights are usually needed to brighten dark underwater scenes. External lights provide stronger, adjustable illumination for clearer footage in deep or murky waters.