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  2. Aquascope - Wikipedia

    en.wikipedia.org/wiki/Aquascope

    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 ...

  3. Underwater photography - Wikipedia

    en.wikipedia.org/wiki/Underwater_photography

    Another format considered part of underwater photography is the over/under or split image, a composition that includes roughly half above the surface and half underwater, with both in focus. One of the pioneers of the traditional technique was National Geographic photographer David Doubilet , who used it to capture scenes above and below the ...

  4. Underwater survey - Wikipedia

    en.wikipedia.org/wiki/Underwater_survey

    Baited remote underwater video (BRUV) is a system used in marine biology research. By attracting fish into the field of view of a remotely controlled camera, the technique records fish diversity, abundance and behaviour of species. Sites are sampled by video recording the region surrounding a baited canister which is lowered to the bottom.

  5. Underwater videography - Wikipedia

    en.wikipedia.org/wiki/Underwater_videography

    In 1909, Albert Samama Chikly took the first underwater shot. [1] In 1910, he filmed Tuna fishing in Tunisia under the patronage of Albert I, Prince of Monaco. [2] In 1940 Hans Hass completed Pirsch unter Wasser (i.e. Stalking under Water) which was published by the Universum Film AG, lasted originally only 16 minutes and was shown in theatres before the main movie, but would eventually be ...

  6. Category:Underwater cameras - Wikipedia

    en.wikipedia.org/wiki/Category:Underwater_cameras

    Pages in category "Underwater cameras" The following 6 pages are in this category, out of 6 total. This list may not reflect recent changes. C. Calypso (camera) H.

  7. Baited remote underwater video - Wikipedia

    en.wikipedia.org/wiki/Baited_remote_underwater_video

    Baited remote underwater video (BRUV) is a system used in marine biology research. By attracting fish into the field of view of a remotely controlled camera, the technique records fish diversity , abundance and behaviour of species.

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  9. Fish doorbell - Wikipedia

    en.wikipedia.org/wiki/Fish_doorbell

    A fish doorbell (Dutch: visdeurbel) is a system that allows fish to pass through a closed sluice gate through crowdsourced input when fish are present. The Utrecht Visdeurbel uses a livestreamed underwater camera that allows users to press a doorbell button to notify the lock operator that there are fish swimming in the gracht, and that the lock should be opened. [1]