convex plane lens

См. также в других словарях:

• 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

• plane´ness — plane1 «playn», noun, adjective, verb, planed, plan|ing. –n. 1. = airplane. (Cf. ↑airplane) 2. a level; grade: »Try to keep your work on a high plane …   Useful english dictionary

• 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 — 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

• lens — [[t]lɛnz[/t]] n. pl. lens•es 1) opt a piece of transparent substance, usu. glass, having two opposite surfaces either both curved or one curved and one plane, used in optical devices for changing the convergence of light rays, as for… …   From formal English to slang

• lens — /lɛnz / (say lenz) noun (plural lenses) 1. a piece of transparent substance, usually glass, having two (or two main) opposite surfaces, either both curved or one curved and one plane, used for changing the convergence of light rays, as in… …  

• Plano-convex — Pla no con vex, a. [Plano + convex.] Plane or flat on one side, and convex on the other; as, a plano convex lens. See {Convex}, and {Lens}. [1913 Webster] …   The Collaborative International Dictionary of English

• Cylindrical lens — Cylindrical lenses. Diagram showing cylindrical lenses …   Wikipedia

• plano-convex — [plā΄nōkän veks′, plā΄nōkän′veks΄] adj. having one side plane and the other convex: see LENS …   English World dictionary

• 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