- aspheric surface
- асферическая поверхность
English-Russian cartography dictionary. 2013.
aspheric surface
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Aspheric lens — An aspheric lens or asphere is a lens whose surfaces have a profile that is neither a portion of a sphere nor of a circular cylinder. In photography, a lens assembly that includes an aspheric element is often called an aspherical lens.The asphere … Wikipedia
aspheric — Denoting a paraboloidal surface, especially of a lens or mirror, that eliminates spherical aberration. [G. a priv. + sphaira, sphere] * * * aspher·ic ( )ā sfi(ə)r ik, sfer or aspher·i·cal i kəl adj departing slightly from the spherical form esp.… … Medical dictionary
Wing mirror — Dual contour wing mirror. Large inboard convex surface is separated by visible line from small outboard aspheric surface … Wikipedia
a´spher´i|cal|ly — a|spher|ic «ay SFEHR ihk», adjective. Optics. not spherical: »an aspheric surface, aspheric mirrors. –a´spher´i|cal|ly, adverb … Useful english dictionary
a|spher|ic — «ay SFEHR ihk», adjective. Optics. not spherical: »an aspheric surface, aspheric mirrors. –a´spher´i|cal|ly, adverb … Useful english dictionary
Corrective lens — A bifocal corrective eyeglass lens A pair of contact le … 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
Nonimaging optics — (also called anidolic optics)[1][2] is the branch of optics concerned with the optimal transfer of light radiation between a source and a target. Unlike traditional imaging optics, the techniques involved do not attempt to form an image of the… … Wikipedia
Lens (optics) — For other uses, see Lens. A lens. Lenses can be used to focus light. A lens is an optical device with perfect or approximate axial symmetry which tra … 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
Dan Reinstein — Professor Dan Reinstein is a specialist ophthalmic surgeon in the UK and is a board certified ophthalmologist in the USA and Canada, specializing in the field of refractive surgery (vision correction). He is medical director of the London Vision… … Wikipedia
