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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. Dive light - Wikipedia

   en.wikipedia.org/wiki/Dive_light

   Modern underwater video lights are now relatively small, have run times of 45–60 minutes and output 600–8000 lumens. These LED lights are powered by Lithium-ion batteries and usually have a 5600 K (daylight) color temperature. [16]

4. Fishing light attractor - Wikipedia

   en.wikipedia.org/wiki/Fishing_light_attractor

   In this video, dozens of 15-18 inch speckled trout are attracted to a 1000 W green light mounted on a pier. A fishing light attractor is a fishing aid that uses lights attached to a structure above water or suspended underwater to attract fish and members of their food chain.

5. Navigation light - Wikipedia

   en.wikipedia.org/wiki/Navigation_light

   Watercraft navigation lights must permit other vessels to determine the type and relative angle of a vessel, and thus decide if there is a danger of collision. In general, sailing vessels are required to carry a green light that shines from dead ahead to 2 points (22 + 1 ⁄ 2 °) abaft [note 1] the beam on the starboard side (the right side from the perspective of someone on board facing ...

6. Underwater vision - Wikipedia

   en.wikipedia.org/wiki/Underwater_vision

   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 ...

7. Alfred Loomis (sailor) - Wikipedia

   en.wikipedia.org/wiki/Alfred_Loomis_(sailor)

   Alfred Lee Loomis Jr. (April 15, 1913 – September 7, 1994) was an American investment banker and Olympic sailing champion who won the Bermuda race twice. In 1977, he was manager of the Independence-Courageous syndicate, the yachting team that successfully defended the America's Cup that year.