- aperture meter
- опт. апертометр
English-russian dictionary of physics. 2013.
aperture meter
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Aperture — For other uses, see Aperture (disambiguation). f stops demonstrated on a lens … Wikipedia
Selenium meter — A selenium meter is a light measuring instrument based photoelectric properties of selenium. The most common usage of such light meters is measuring the exposure value for photography. The electric parts of such a meter are an electromagnetic… … Wikipedia
Light meter — A light meter is a device used to measure the amount of light. In photography, a light meter is often used to determine the proper exposure for a photograph. Typically a light meter will include a computer, either digital or analogue, which… … Wikipedia
Advanced Technology Large-Aperture Space Telescope — The Advanced Technology Large Aperture Space (ATLAS) Telescope [ What Will Astronomy Be Like in 35 Years? Astronomy magazine, August, 2008] is a proposed 8 to 16 meter (320 to 640 inch) optical space telescope that if approved, built, and… … Wikipedia
exposure meter — Photog. an instrument for measuring the intensity of light in a certain place or upon a certain object, having an adjustable scale for determining the optimum relations of shutter speeds and stops at each intensity. Also called light meter. [1890 … Universalium
Postage meter — A postage meter is a mechanical device used to create and apply physical evidence of postage (or franking) to mailed matter. Postage meters are regulated by a country s postal authority; for example, in the United States, the United States Postal … Wikipedia
Synthetic Aperture Radar — Radaraufnahme (SIR C/X SAR) des Vulkans Teide auf Teneriffa aus dem Space Shuttle Endeavour Ein Synthetic Aperture Radar (Abkürzung: SAR; deutsch etwa: „Radar mit synthetischer Apertur“) gehört zur Klasse der abbildenden Radare und wird als… … Deutsch Wikipedia
Five hundred meter Aperture Spherical Telescope — FAST , or the Five hundred meter Aperture Spherical Telescope , first proposed in 1994, is a radio telescope to be built by |date=2008 04 21|accessdate=June 23|accessyear=2008] . It will have 4,600 panels and be similar in design to the Arecibo… … Wikipedia
Minolta SR-T 101 — Type 35 mm SLR Lens mount Minolta SR bayonet (Meter Coupled) Focus Manual, micro prism with Fresnel lens provided in SLR finder … Wikipedia
History of the single-lens reflex camera — The history of the single lens reflex camera predates the invention of photography in 1826/27 by one and a half centuries with the use of a reflex mirror in a camera obscura first described in 1676. Such SLR devices were popular as drawing aids… … Wikipedia
Nikon F-mount — The Nikon F of 1959 embodies the original F mount. Type Bayonet External diameter 44 mm Tabs 3 Flange 46.5 … Wikipedia
