An ROV camera is any visual imaging system that can be used on underwater ROVs to provide the operator with a perception of the operating environment. The depth rating for an ROV camera usually starts at 300m.

Most ROVs have a main forward-facing camera for control of the vehicle. Some ROVs will then have additional auxiliary cameras to provide another point of view. These cameras are sometimes mounted on another point of the vehicle or extended out from the vehicle using a ‘boom mount’ (e.g., a camera on a pole sticking out to the side). If an ROV manipulator is in use, this manipulator will sometimes have a camera at the end-effector, providing yet another point of view of the workspace. One should remember that underwater vision systems are usually monocular and therefore do not provide distance information (try catching a ball with one eye closed); development in this area using stereo vision and other sensors is a hot topic in underwater robotics and is currently being pursued by Reach Robotics to enable more advanced use of manipulator arms and ROV grippers.

Different types of ROV cameras WE OFFER AT REACH ROBOTICS.

Stand Alone & Reach Alpha

RAC-1000
Supplied with Impulse whip for integration
Length: 96mm
Outer Diameter: Ø24

For Reach Bravo

RB-1057
Integrated internally with the manipulator system
Length: 83mm
Outer Diameter: Ø24

What are the different types of ROV cameras?

There are two main types of underwater or ROV camera:

1. Main ROV Camera

The main ROV camera is the primary means of providing visual information to the ROV operator. These cameras are generally selected to be High-Definition and to have exceptional performance in low-light conditions. They are the primary camera used to pilot the vehicle and are forward-facing. Depending on the size of the vehicle, this camera may also be used for looking at objects of interest or there may be an additional camera for that purpose to deconflict from piloting operations.

An image from the forward-looking camera on the ROV SuBastian of the Schmidt Ocean Institute
An image from the forward-looking camera on the ROV SuBastian of the Schmidt Ocean Institute

Sometimes they are fixed…

An HD camera by ROV Innovations suitable for forward-facing main ROV camera use
An HD camera by ROV Innovations suitable for forward-facing main ROV camera use

…other times they are attached to mechanisms (rotators and pan/tilt units) to enable them to move left/right and up/down, providing a greater field of view to the operator.

The main ROV camera with tilt-function – the DTR-100Z from Bowtech
The main ROV camera with tilt-function – the DTR-100Z from Bowtech

2. Auxiliary ROV Camera

Auxiliary cameras are used to provide additional perspectives to that provided by the main, front ROV camera. Examples of where these are used are:

  • A camera facing rearward to check the ROV tether condition or ensure the tether is not tangled during a complex manoeuvre.
  • A camera mounted on a corner of the ROV, or out on a boom and looking in towards the front of the ROV to provide a sense of distance when flying the ROV or using an ROV gripper or ROV manipulator.
  • A camera mounted on a manipulator arm to enable close vision of what the manipulator is being used for such as in close visual inspections or complex interventions.
  • A camera mounted on the side of the ROV to enable inspection of a structure while flying alongside it.
One of the auxiliary cameras on the ROV SuBastian provides an additional perspective of the ROV workspace.
One of the auxiliary cameras on the ROV SuBastian provides an additional perspective of the ROV workspace.

Auxiliary cameras often do not need to meet the same specifications as the main ROV camera and may additionally be limited by size constraints. Hence, they are often selected to be pencil-style subsea cameras. These cameras have the advantage of lower cost and smaller size.

The Micro IP Camera from Reach Robotics (Outer Diameter 2.4cm, length ~9cm)
The Micro IP Camera from Reach Robotics (Outer Diameter 2.4cm, length ~9cm)

Considerations in selecting an ROV Camera

If you are selecting a camera for your underwater ROV or ROV manipulator, you should consider the following:

  • Quality
  • Size (check out our miniature subsea camera if this is a factor in your design)
  • Water Weight
  • Connector
  • Protocol
  • Performance in Low Light (sometimes additional illumination should be considered by adding ROV lights, or selecting a camera with integrated LEDs)
  • Viewing Angle
  • Whether actuation (pan, tilt, complex motion) is required (if so, take a look at Reach Robotics’s rotator and manipulator solutions)
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Micro IP Camera

RAC-1000
The Micro IP Camera allows clear, uninhibited vision in subsea environments. Featuring simple integration via an impulse connector, the Micro IP Camera is compatible with Reach Alpha manipulators, subsea vehicles and other devices.
Key Specifications

Bravo Wrist Camera

RB-1057
The Reach Bravo Wrist Camera gives operators clear vision at the end-effector of their manipulator. Situated just before the wrist rotate stage, this module is a must for complex intervention and inspection, augmenting the vision provided by the vehicle camera.
Key Specifications

Command Pods

Command Pods are a pair of space mouse controllers comprising of left and right units. They are designed to attach to an ROV control tablet and allow full system control from one interface. The Command Pod configuration simplifies control of a dual-manipulator system as operators are able to intuitively control both arms, while still piloting the vehicle.
The joystick model allows for arms to be directed towards a target while the system automatically maps the arms configuration along that path.

MASTER ARMS

Compatible with all Reach Robotics manipulators, the Master Arm controller is available in five and seven-function models to mimic your robotic arm. Achieve unparalleled precision and accuracy while undertaking complex tasks including:
  • Precise placement of probes for crack and corrosion monitoring.
  • Place and recover objects with unmatched dexterity and minimised
    workload.
  • Attach hooks and shackles consistently.
  • Reach confined areas unreachable with lower degree-of-freedom manipulators
    and traditional control methods.