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A few underwater lights have a focusing facility by which the beam angle can be adjusted. There are two ways this can be done, depending on the basic emission pattern of the light source. HID lights, which generally produce non-directional light, are usually focused by a reflector, which can be slid longitudinally over the light.
Travelling Light (also known as Ondines sans voiles) is a 1959 British naturist pseudo-documentary directed by Edward Craven Walker (as Michael Keatering). [1] [2] It was written by Victor Hewitt. It premiered in London's West End. [citation needed] The film stars Elizabeth Walker, who was routinely described as Naturism’s Ambassador in 1950s ...
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 ...
Submarine films have their own particular semantics and syntax, creating a film genre concerned specifically with submarine warfare.A distinctive element in this genre is the soundtrack, which attempts to bring home the emotional and dramatic nature of conflict under the sea.
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 ...
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 Maya Vase Book Vol. I: 161–184. Coe, Michael D., and Stephen Houston (2015), The Maya. Thames & Hudson. Danien, Elin C. (2004), Maya Folktales from the Alta Verapaz. University of Pennsylvania, Museum of Archaeology and Anthropology, Philadelphia. Foster, George M. (1945), Sierra Popoluca Folklore and Beliefs. Berkeley / Los Angeles ...
Partially filmed on location in Mexico and Hawaii, Underwater! was completed in a newly constructed underwater tank in an RKO Radio Pictures soundstage. It was the first RKO film released in Superscope. [5] The film's budget increased from its initial $300,000 and a large amount of the budget was used on footage cut from the film. [6]