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Binoculars designed for harsh environmental conditions and heavy field use, such as military or marine applications, traditionally have used independent focusing. Central focusing is an arrangement which involves rotation of a central focusing wheel to adjust both telescope tubes together. In addition, one of the two eyepieces can be further ...
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.
Binoculars: Bushnell sells a wide variety of binoculars and was awarded the Best Buy award from Outdoor Life magazine in 2005 for their Browning Sports Optics binoculars and in 2006 for their Legend binoculars. [22] [23] Microscopes; Telescopes: Bushnell made smaller amateur optical telescopes. Some popular models include the "ARES 5", and the ...
David Pearsall Bushnell (1913–2005) was an American entrepreneur who founded the Bushnell optics company in 1948. Bushnell made precision binoculars affordable to middle-class Americans for the first time through a strategy of importing from manufacturers who provided optics to his patented specifications.
Between 2001-2003, and 2008-2010, Weeks Marine was the prime consultant and contractor for the reefing of retired MTA New York City Subway cars from classes R26, R28, R29, R33, and R36 from the IRT's A Division, and classes R32, R38, R40 and R42 from the BMT/IND's B Division, which were retired, stripped and loaded onto barges and taken to ...
In addition to the more stereotypical binocular type, folding opera glasses were another common design. They were made mostly of metal and glass, with a leatherette cover for grip and color. Although folding glasses have existed in one form or another since the 1890s, [ 2 ] they were perhaps most popular in the mid-20th century and many from ...