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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 ...
Snell's window (also called Snell's circle [1] or optical man-hole [2]) is a phenomenon by which an underwater viewer sees everything above the surface through a cone of light of width of about 96 degrees. [3] This phenomenon is caused by refraction of light entering water, and is governed by Snell's Law. [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 ...
The scope of underwater exploration includes the distribution and variety of marine and aquatic life, measurement of the geographical distribution of the chemical and physical properties, including movement of the water, and the geophysical, geological and topographical features of the Earth's crust where it is covered by water.
Features: Two helipads, underwater viewing room, nightclub, saltwater pool, on-deck jacuzzi. 15. Lady Lara: Owned by Alexander Machkevitch. Wikipedia Commons/102Legobrick (CC BY-SA 4.0)
A United States Navy Mass Communication Specialist conducting underwater photography training Neon goby (Elacatinus oceanops) swimming over a great star coral (Montastraea cavernosa) Wide-angle shot of coral reef in East Timor. Underwater photography is the process of taking photographs while under
Visitors to this unique McDonald's restaurant can also view the D3 plane's cockpit. This McDonald's restaurant in Clifton Hill, Melbourne, Australia, is designed in the art-deco style of the 1920s ...
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