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Analog television is the original television technology that uses analog signals to transmit video and audio. In an analog television broadcast, the brightness, colors and sound are represented by amplitude, phase and frequency of an analog signal.
Within most systems and at most levels in the game of Go, a handicap is given to offset the strength difference between players of different ranks.
In photography, exposure is the amount of light per unit area reaching a frame of photographic film or the surface of an electronic image sensor. It is determined by shutter speed, lens F-number, and scene luminance. Exposure is measured in units of lux-seconds, and can be computed from exposure value (EV) and scene luminance in a specified region.
Film speed is the measure of a photographic film's sensitivity to light, determined by sensitometry and measured on various numerical scales, the most recent being the ISO system introduced in 1974. A closely related system, also known as ISO, is used to describe the relationship between exposure and output image lightness in digital cameras. Prior to ISO, the most common systems were ASA in the U.S. and DIN in Europe.
In photography, bracketing is the general technique of taking several shots of the same subject using different camera settings, typically with the aim of combining the images in postprocessing. Bracketing is useful and often recommended in situations that make it difficult to obtain a satisfactory image with a single shot, especially when a small variation in exposure parameters has a comparatively large effect on the resulting image. Given the time it takes to accomplish multiple shots, it is typically, but not always, used for static subjects. Autobracketing is a feature of many modern cameras. When set, it will automatically take several bracketed shots, rather than the photographer altering the settings by hand between each shot.
The Canon EOS 300D, manufactured by Canon, was marketed in North America as the EOS Digital Rebel, in Japan as the EOS Kiss Digital, and was also sold as the DS6041. It is a 6.3-megapixel entry-level digital single-lens reflex camera. It was initially announced on 20 August 2003 at a price point of $899 without lens, $999 with the "kit" lens. It is part of the Canon EOS line of cameras. This was a significant milestone in digital cameras, as it was the first digital SLR offered under $1000.
Canon EOS is an autofocus single-lens reflex camera (SLR) and mirrorless camera series produced by Canon Inc. Introduced in 1987 with the Canon EOS 650, all EOS cameras used 35 mm film until October 1996 when the EOS IX was released using the new and short-lived APS film. In 2000, the D30 was announced, as the first digital SLR designed and produced entirely by Canon. Since 2005, all newly announced EOS cameras have used digital image sensors rather than film. The EOS line is still in production as Canon's current digital SLR (DSLR) range, and, with the 2012 introduction of the Canon EOS M, Canon's mirrorless interchangeable-lens camera (MILC) system. In 2018 the system was further extended with the introduction of the EOS R camera, Canon's first full frame mirrorless interchangeable lens system.
A black hat is a computer hacker who violates laws or ethical standards for nefarious purposes, such as cybercrime, cyberwarfare, or malice. These acts can range from piracy to identify theft. A Black hat is often referred to as a "cracker".
A thin-film-transistor liquid-crystal display is a type of liquid-crystal display that uses thin-film-transistor technology to improve image qualities such as addressability and contrast. A TFT LCD is an active matrix LCD, in contrast to passive matrix LCDs or simple, direct-driven LCDs with a few segments.
Komi in the game of Go are points added to the score of the player with the white stones as compensation for playing second. The value of Black's first-move advantage is generally considered to be between 5 and 7 points by the end of the game.
MPEG-4 Part 2, MPEG-4 Visual is a video compression format developed by the Moving Picture Experts Group (MPEG). It belongs to the MPEG-4 ISO/IEC standards. It uses block-wise motion compensation and a discrete cosine transform (DCT), similar to previous standards such as MPEG-1 Part 2 and H.262/MPEG-2 Part 2.
Black Enterprise is an American multimedia company. A Black-owned business since the 1970s, its flagship product Black Enterprise magazine has covered African American businesses with a readership of 3.7 million. The company was founded in 1970 by Earl G. Graves Sr. It publishes in print and digital, an annual listing of the largest African-American companies in the country, or "B.E. 100s", first compiled and published in 1973. In 2002 the magazine launched a supplement targeting teens, Teenpreneur. Black Enterprise also has two nationally syndicated television shows, Our World with Black Enterprise and Women of Power.
The Canon EOS D30 is a discontinued 3.1-megapixel professional digital single lens reflex camera (DSLR) body, initially announced by Canon on May 17, 2000. It is part of the Canon EOS line of cameras and uses the EF lens mount. The EOS D30 was Canon's first "home grown" digital SLR. Before that point Canon had a contract with Kodak to rebrand the Kodak 2-megapixel DCS 520 as Canon EOS D2000 and the 6-megapixel DCS 560 as Canon EOS D6000 digital SLRs, which combined Kodak digital backs and Canon camera bodies.
The Canon EOS D60 is a discontinued 6.3 megapixel digital single lens reflex (DSLR) camera body, announced by Canon on February 22, 2002. It is part of the Canon EOS range, and accepts Canon EF, TS-E and MP-E lenses, but not Canon's later digital-only EF-S lens range.
Exposure compensation is a technique for adjusting the exposure indicated by a photographic exposure meter, in consideration of factors that may cause the indicated exposure to result in a less-than-optimal image. Factors considered may include unusual lighting distribution, variations within a camera system, filters, non-standard processing, or intended underexposure or overexposure. Cinematographers may also apply exposure compensation for changes in shutter angle or film speed, among other factors.
The Maxxum 7D, labelled Dynax 7D in Europe/Hong Kong and α-7 Digital in Japan and officially named "DG-7D", is a 6.1 megapixel digital single-lens reflex camera, or DSLR, produced by Konica Minolta. It was the top model of their DSLR range; the Maxxum/Dynax 5D consumer-grade model was the other.
The Leica M7 is a 35 mm rangefinder camera introduced by Leica AG in 2002 as a direct successor to the M6. The electronic Leica M7 is a departure from previous mechanical designs for the M series.
The Canon EOS 500D is a 15-megapixel entry-level digital single-lens reflex camera, announced by Canon on 25 March 2009. It was released in May 2009. It is known as the EOS Kiss X3 in Japan, and as the EOS Rebel T1i in North America. It continues the Rebel line of mid-range DSLR cameras, is placed by Canon as the next model up from the EOS 450D, and has been superseded by the EOS 550D (T2i).
The Sony α77 was the flagship for Sony's midrange Alpha SLT camera line.
The Leica M10 is a full-frame digital rangefinder camera in Leica Camera AG's rangefinder M series. It accepts Leica M-mount lenses. The camera model was introduced on 19 January 2017. It is a successor to the Leica M9; and has similarities with and differences to the Leica M, Leica M, and Leica M Monochrom. There are five variants of the M10 line—the M10,M10-P,M10-D, and M10 Monochrom and M10-R.
References
- ↑ "Black point compensation: Thumbs up or down?". www.newsandtecharchives.com. Archived from the original on 2020-02-23. Retrieved 2016-12-06.
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