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An aquascope (also called bathyscope) is an underwater viewing device. It is used to view the underwater world often from dry land or a boat. It eliminates the water surface glare and allows viewing as far as water clarity and light permit. The underwater viewer can be used for observing reefs, checking boat moorings, secchi disks and other ...
The Seaview SVII is an underwater camera designed by the Catlin Seaview Survey team, intended to photograph coral reefs to provide visual documentation of a reef's health. . The camera is designed to be controlled by a diver in shallow waters, and is propelled at a constant slow speed by a propeller mounted near the rear of the cam
A photonics mast replaces the mechanical, line-of-sight viewing system with digital equipment, similar to a digital camera array, and it has fewer locational and dimensional constraints than a traditional periscope. Unlike a periscope, it needs not be located directly above its user, and it requires only a small pressure hull penetration for ...
The largest model is the REMUS 6000 at 3.84 metres (12.6 ft) long and 71 centimetres (28 in) in diameter; it is named after its maximum diving depth of 6000m. [4] It can travel at speeds of up to 5 knots (9.3 km/h) and has an endurance of up to 22 hours. [4]
Underwater vision is the ability to see objects underwater, and this is significantly affected by several factors. Underwater, objects are less visible because of lower levels of natural illumination caused by rapid attenuation of light with distance passed through the water. They are also blurred by scattering of light between the object and ...
In 2016, Jason was upgraded with a new frame, tether, recovery system, and skids that increased the payload by several thousand pounds. [ 1 ] [ 4 ] A 10-kilometer (6-mile) electro-optical-mechanical tether delivers electrical power and commands from the ship through Medea and down to Jason , which then returns data and live video imagery.
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