angular+aperture

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• Angular aperture — Angular An gu*lar, a. [L. angularis, fr. angulus angle, corner. See {Angle}.] 1. Relating to an angle or to angles; having an angle or angles; forming an angle or corner; sharp cornered; pointed; as, an angular figure. [1913 Webster] 2. Measured… …   The Collaborative International Dictionary of English

• angular aperture — n the angle subtended at the principal focus of an optical system (as a microscope) by the diameter of its entrance for light …   Medical dictionary

• Angular aperture — The angular aperture of a lens is the apparent angle of the lens aperture as seen from the focal point::a = 2 arctan left( frac {D/2} {f} ight)where :f is the focal length:D is the diameter of the aperture. Relation to numerical aperture In a… …   Wikipedia

• angular aperture — apertūros kampas statusas T sritis fizika atitikmenys: angl. angular aperture; aperture angle vok. Aperturwinkel, m; Öffnungswinkel, m rus. апертурный угол, m pranc. angle d’ouverture, m; angle du champ, m …   Fizikos terminų žodynas

• angular aperture — kampinė apertūra statusas T sritis fizika atitikmenys: angl. angular aperture; angular field vok. Winkelapertur, f rus. угловая апертура, f; угловое отверстие, n pranc. ouverture angulaire, f …   Fizikos terminų žodynas

• angular aperture — noun : the angle subtended at the principal focus of an optical system by the diameter of its entrance pupil * * * angular aperture, the angular breadth of the light which an optical instrument transmits from the point viewed …   Useful english dictionary

• angular aperture — kampinė apertūra statusas T sritis Standartizacija ir metrologija apibrėžtis Objektyvo parametras, išreikštas matavimo vienetais kampo, esančio tarp objektyvo ašies ir labiausiai nukrypusio šviesos pluošto spindulio, kuris gali patekti nuo… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

• Angular aperture — Угловая апертура …   Краткий толковый словарь по полиграфии

• Angular resolution — describes the resolving power of any image forming device such as an optical or radio telescope, a microscope, a camera, or an eye. Definition of terms Resolving power is the ability of the components of an imaging device to measure the angular… …   Wikipedia

• Angular — An gu*lar, a. [L. angularis, fr. angulus angle, corner. See {Angle}.] 1. Relating to an angle or to angles; having an angle or angles; forming an angle or corner; sharp cornered; pointed; as, an angular figure. [1913 Webster] 2. Measured by an… …   The Collaborative International Dictionary of English

• Angular distance — Angular An gu*lar, a. [L. angularis, fr. angulus angle, corner. See {Angle}.] 1. Relating to an angle or to angles; having an angle or angles; forming an angle or corner; sharp cornered; pointed; as, an angular figure. [1913 Webster] 2. Measured… …   The Collaborative International Dictionary of English