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Guide number. A value indicating the power of an electronic flash apparatus, and used to estimate exposure. GN = distance × f-number. One needs to specify the film or sensor ISO speed, and it is conventional to quote for ISO 100/21°. The distance can be in feet or in metres, the units to be specified. [4] GND: Graduated neutral density. A ...
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 ...
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).
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]
AP Photo Industries (Spain) Darkroom equipment, film cartridges and cartridge loading equipment, disposable cameras [13] Beseler (USA) Photographic enlargers; De Vere (UK) Digital enlargers. Previous manufacturer of quality analog photographic enlargers. Dunco, Photographic enlargers; Jobo (US) Film/Photo processors; Fujifilm (Japan) Frontier ...
For example, a :30 second spot might have had a code of XECA1263, while the same commercial in a shortened :20 or :15 version (or in a different language such as Spanish) might have had a slightly different code of XECA1264. The ISCI code was unique to each individual commercial. The slightest change to an ad led to the use of another code.
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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 .