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A Trijicon 3.5x35 ACOG prism sight with a Trijicon RMR reflex sight mounted on the top.. A prism sight or prismatic sight, sometimes also called prism scope or prismatic scope, is a type of telescopic sight which uses a reflective prism for its image-erecting system, instead of the series of relay lenses found in traditional telescopic sights.
Group of original deck prisms. A deck prism, or bullseye, is a prism inserted into the deck of a ship to provide light down below. [1] [2] [3]For centuries, sailing ships used deck prisms to provide a safe source of natural sunlight to illuminate areas below decks.
PRISM is a code name for a program under which the United States National Security Agency (NSA) collects internet communications from various U.S. internet companies ...
Brent Weeks (born March 7, 1977) is an American fantasy writer. His debut novel, The Way of Shadows, was a New York Times best seller in April 2009. [1] [failed verification] Each of the five books in his Lightbringer series made the NYT list as well, starting with The Black Prism in 2010.
Stereoscopy creates the illusion of three-dimensional depth from a pair of two-dimensional images. [5] Human vision, including the perception of depth, is a complex process, which only begins with the acquisition of visual information taken in through the eyes; much processing ensues within the brain, as it strives to make sense of the raw information.
To avoid double vision from non-corresponding points, the eye with the prism must move up or down, following the image passing through the prism. Likewise conjugate torsion (rolling) on the anteroposterior axis (from the front to the back) can occur naturally, such as when one tips one's head to one shoulder; the torsion, in the opposite ...
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