- high-aperture lens
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светосильный объектив
Англо-русский словарь терминов металлургии и сварки. 2011.
high-aperture lens
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Lens speed — refers to the maximum aperture diameter, or minimum f number, of a photographic lens. A lens with a larger maximum aperture (that is, a smaller minimum f number) is a fast lens because it delivers more light intensity (illuminance) to the focal… … Wikipedia
High-definition video — High definition (HD) video generally refers to any video system of higher resolution than standard definition (SD) video, most commonly at display resolutions of 1280×720 (720p) or 1920×1080 (1080i or 1080p). This article discusses the general… … Wikipedia
High-resolution transmission electron microscopy — (HRTEM) is an imaging mode of the transmission electron microscope (TEM) that allows the imaging of the crystallographic structure of a sample at an atomic scale. [cite book |title=Experimental high resolution electron microscopy |last=Spence… … Wikipedia
Aperture — For other uses, see Aperture (disambiguation). f stops demonstrated on a lens … Wikipedia
High dynamic range rendering — A comparison of the standard fixed aperture rendering (left) with the HDR rendering (right) in the video game Half Life 2: Lost Coast In 3D computer graphics, high dynamic range rendering (HDRR or HDR rendering), also known as high dynamic range… … Wikipedia
Aperture card — An aperture card is a type of punched card with a cut out window into which a chip of microfilm is mounted. Such a card is used for archiving or for making multiple inexpensive copies of a document for ease of distribution. The card is typically… … 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
Canon FD lens mount — The Canon FD lens mount is a physical standard for connecting a photographic lens to a single lens reflex camera body. The standard was developed by Canon of Japan and was introduced in March 1971 with the Canon F 1 camera. It was the primary… … Wikipedia
portrait lens — noun a compound camera lens with a relatively high aperture • Hypernyms: ↑camera lens, ↑optical lens • Part Holonyms: ↑portrait camera * * * noun : a compound photographic lens with a relatively high aperture and usually a means for softening… … Useful english dictionary
Canon EF 17-40mm lens — Infobox photographic lenses name = EF 17 40mm f/4L USM maker = Canon feat is = n feat usm = y feat sbf = n feat macro = n feat special = type = z application = Ultra Wide Zoom flength = 17 40mm fov = 1.0 aperture = f/4 f/22 groups = 9 elements =… … Wikipedia
Digital single-lens reflex camera — Nikon D700 full frame (FX) digital SLR camera … Wikipedia
