- spherical aperture
- Техника: сферический раскрыв
Универсальный англо-русский словарь. Академик.ру. 2011.
Универсальный англо-русский словарь. Академик.ру. 2011.
Aperture grille — An aperture grille (tension mask) is one of two major technologies used to manufacture color cathode ray tube (CRT) televisions and computer displays; the other is shadow mask.Fine vertical wires behind the front glass of the display screen… … Wikipedia
Numerical aperture — The numerical aperture with respect to a point P depends on the half angle θ of the maximum cone of light that can enter or exit the lens. In optics, the numerical aperture (NA) of an optical system is a dimensionless number that characterizes… … 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
Valvata piscinalis — Photo of a shell of Valvata piscinalis Drawing of a shell of Valvata piscinalis … Wikipedia
Optical aberration — v · d · e Optical aberration … Wikipedia
optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… … Universalium
Transmission electron microscopy — A TEM image of the polio virus. The polio virus is 30 nm in size.[1] Transmission electron microscopy (TEM) is a microscopy technique whereby a beam of electrons is transmitted through an ultra thin specimen, interacting with the specimen as it… … Wikipedia
Optical telescope — Eight Inch refracting telescope (Chabot Space and Science Center) An optical telescope is a telescope which is used to gather and focus light mainly from the visible part of the electromagnetic spectrum for directly viewing a magnified image for… … Wikipedia
Maksutov telescope — A 150mm aperture Maksutov Cassegrain telescope. The Maksutov is a catadioptric telescope design that combines a spherical mirror with a weakly negative meniscus lens in a design that takes advantage of all the surfaces being nearly spherically… … Wikipedia
microscope — /muy kreuh skohp /, n. 1. an optical instrument having a magnifying lens or a combination of lenses for inspecting objects too small to be seen or too small to be seen distinctly and in detail by the unaided eye. 2. (cap.) Astron. the… … Universalium
Anamorphic format — is a term that can be used either for the cinematography technique of capturing a widescreen picture on standard 35 mm film, or other visual recording media with a non widescreen native aspect ratio, or a photographic projection format in which… … Wikipedia