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The blue light spectrum is an essential part of the visible spectrum with wavelengths of about 400-480 nm. [1] Blue light is primarily generated by Light-Emitting Diodes (LED) lighting and digital screens, it has now become prevalent in the world around us. [2] LED lighting creates white light by combining blue light with other wavelengths ...
Wratten numbers are a labeling system for optical filters, usually for photographic use comprising a number sometimes followed by a letter. The number denotes the color of the filter, but is arbitrary and does not encode any information (the 80A–80D are blue, the next filters in numerical order, 81A–81EF, are orange); letters almost always ...
Blue light, a type of high-energy light, is part of the visible light spectrum. High-energy visible light (HEV light) is short-wave light in the violet/blue band from 400 to 450 nm in the visible spectrum, which has a number of purported negative biological effects, namely on circadian rhythm and retinal health (blue-light hazard), which can lead to age-related macular degeneration.
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Blue Only mode is a special display mode on display units such as projectors and television sets whereby only the blue pixels or the blue cathode ray tube is used to generate the image. Displays featuring this mode are prominent especially in the broadcast area because it allows for hue and saturation to be adjusted quickly and accurately.
Blue Light was an American counter-terrorist subunit of the 5th Special Forces Group that existed into the late 1970s. According to Colonel Charles Beckwith's memoirs, this counter-terrorist group was formed by U.S. Army Special Forces leadership to fill an important counter-terrorism gap until Delta Force became operational. He stated that the ...
In July 2016, Wiknix ' s Jay Bokhiria called Candy, Dreams, Gothic, Mosaic, and Roland the best Prisma filters. [13] The Telegraph ' s Pramita Ghosh and Riddhima Khanna picked out five filters: Heisenberg, Marcus D – Lone Wolf, Mosaic, Roland, and Udnie. [17] India TV said Bobbie, #FollowMeTo, Mondrian, The Scream, and Udnie were the best ...
BBC One. Release. 27 March 2023. ( 2023-03-27) –. present. Blue Lights is a British police procedural television drama series set in the fictional Blackthorn police station in Belfast, Northern Ireland, where the series was filmed. Created and written by Declan Lawn and Adam Patterson, it began broadcasting on BBC One on 27 March 2023.