concave-convex lens

См. также в других словарях:

• concavo-convex lens — įgaubtai iškilas lęšis statusas T sritis fizika atitikmenys: angl. concavo convex lens vok. konkav konvexe Linse, f rus. вогнуто выпуклая линза, f pranc. lentille concave convexe, f …   Fizikos terminų žodynas

• Lens — (l[e^]nz), n.; pl. {Lenses} ( [e^]z). [L. lens a lentil. So named from the resemblance in shape of a double convex lens to the seed of a lentil. Cf. {Lentil}.] (Opt.) A piece of glass, or other transparent substance, ground with two opposite… …   The Collaborative International Dictionary of English

• 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

• Lens — The transparent structure inside the eye that focuses light rays onto the retina (the nerve layer that lines the back of the eye, senses light and creates impulses that go through the optic nerve to the brain). The lens was named after the lentil …   Medical dictionary

• Convex — A convex set. The word convex means curving out or bulging outward, as opposed to concave. Convex or convexity may refer to: Mathematics: Convex set, a set of points containing all line segments between each pair of its points Convex function, a… …   Wikipedia

• lens — n. 1) to grind a lens 2) a concave; convex; crystalline; telephoto. telescopic lens 3) contact; corrective lenses * * * [lenz] convex corrective lenses crystalline telephoto telescopic lens a concave contact to grind a lens …   Combinatory dictionary

• lens system — noun a transparent optical device used to converge or diverge transmitted light and to form images • Syn: ↑lens, ↑lense • Hypernyms: ↑optical device • Hyponyms: ↑anastigmat, ↑anastigmatic lens, ↑ …   Useful english dictionary

• lens — lensless, adj. lenslike, adj. /lenz/, n., pl. lenses, v. n. 1. a piece of transparent substance, usually glass, having two opposite surfaces either both curved or one curved and one plane, used in an optical device in changing the convergence of… …   Universalium

• convex — con|vex [ˌkɔnˈveks, kən , ˈkɔnveks US ˌka:nˈveks, kən , ˈka:nveks] adj [Date: 1500 1600; : Latin; Origin: convexus] curved outwards, like the surface of the eye ≠ ↑concave ▪ a convex lens ▪ a convex mirror >convexly adv >convexity… …   Dictionary of contemporary English

• convex — adjective curved outwards like the surface of the eye: a convex lens | a convex mirror convexly adverb convexity noun (C, U) opposite concave …   Longman dictionary of contemporary English

• Crossed lens — Lens Lens (l[e^]nz), n.; pl. {Lenses} ( [e^]z). [L. lens a lentil. So named from the resemblance in shape of a double convex lens to the seed of a lentil. Cf. {Lentil}.] (Opt.) A piece of glass, or other transparent substance, ground with two… …   The Collaborative International Dictionary of English