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Also may mean "Perspective Control" for a lens that has the ability to shift to tilt to control linear perspective in an image. May also stand for personal computer in conjunction with digital photography. PDAF: Phase-detection autofocus. One of the mechanisms of automatic lens focusing. PF: Purple fringing. A form of chromatic aberration in ...
The elements of a simple broadcast television system are: . An image source. This is the electrical signal that represents a visual image, and may be derived from a professional video camera in the case of live television, a video tape recorder for playback of recorded images, or telecine with a flying spot scanner for the transfer of motion pictures to video).
The domain name .tv is the Internet country code top-level domain (ccTLD) for Tuvalu. The domain name is popular, and thus economically valuable, because TV also happens to be an abbreviation of the word television .
B&H conducts business primarily through online e-commerce consumer sales and business to business sales, as they only have one retail location. While initially a photo and film shop, B&H has grown into one of the largest electronic retailers in the U.S., selling over 400,000 products. [2] Their warehouse is located in Florence, New Jersey. [1]
Canon, Pentax and Leica cameras use 'Av' and 'Tv' to indicate relative aperture and shutter speed as well as to symbolize aperture priority and shutter priority modes. Some Pentax DSLRs even provide a 'TAv' exposure mode to automatically set the ISO speed depending on the desired aperture and shutter settings, and 'Sv' (for sensitivity priority ...
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Some TV channels are partly funded from subscriptions; therefore, the signals are encrypted during the broadcast to ensure that only the paying subscribers have access to the decryption codes to watch pay television or specialty channels. Most subscription services are also funded by advertising.
The CAS code shows this is (top row) ISO 125 film, (bottom row) 24 exposures, +3/−1 f-stop exposure tolerance. The DX barcode reads 017563, showing DX number 109-12, 24 exposures. DX ( D igital inde X ) encoding is a standard for marking 35 mm and APS photographic film and film cartridges, originally introduced by Kodak in 1983.