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area exposure meter

См. также в других словарях:

  • Exposure (photography) — Underexposure redirects here. For the 2005 film by Oday Rasheed, see Underexposure (2005 film). A long exposure showing stars rotating around the southern and northern celestial poles. Credit: European Southern Observatory …   Wikipedia

  • Exposure value — In photography, exposure value (EV) denotes all combinations of camera shutter speed and relative aperture that give the same exposure. The concept was developed in Germany in the 1950s (Ray 2000),in an attempt to simplify choosing among… …   Wikipedia

  • exposure — n. (foll. by to) 1 the act or condition of exposing or being exposed (to air, cold, danger, etc.). 2 the condition of being exposed to the elements, esp. in severe conditions (died from exposure). 3 the revelation of an identity or fact, esp.… …   Useful english dictionary

  • light meter — noun photographic equipment that measures the intensity of light • Syn: ↑exposure meter, ↑photometer • Hypernyms: ↑photographic equipment • Hyponyms: ↑cytophotometer * * * noun, pl ⋯ meters [count] …   Useful english dictionary

  • averaging light meter — Photog. an exposure meter that evaluates light measured from all parts of the picture area to generate an average reading. Cf. center weighted light meter. * * * …   Universalium

  • center-weighted light meter — /sen teuhr way tid/, Photog. an exposure meter that gives priority to light measured near the center of the picture area, with sensitivity gradually decreasing toward the edges. Cf. averaging light meter. * * * …   Universalium

  • averaging light meter — Photog. an exposure meter that evaluates light measured from all parts of the picture area to generate an average reading. Cf. center weighted light meter …   Useful english dictionary

  • center-weighted light meter — /sen teuhr way tid/, Photog. an exposure meter that gives priority to light measured near the center of the picture area, with sensitivity gradually decreasing toward the edges. Cf. averaging light meter …   Useful english dictionary

  • spot meter — Photog. an exposure meter that measures light reflected from only a small area of a subject or scene. [1950 55] * * * …   Universalium

  • spot meter — Photog. an exposure meter that measures light reflected from only a small area of a subject or scene. [1950 55] …   Useful english dictionary

  • Dose area product — (DAP) is a quantity used in assessing the radiation risk from diagnostic X rays examination and interventional procedures. It reflects not only the dose within the radiation field but also the area of tissue irradiated. Therefore, it may be a… …   Wikipedia

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