achromatic lens

achromatic lens
a system of two or more lenses that is substantially free from chromatic aberration and in which the lenses are made of different substances so that the focal length of the system is the same for two or three wavelengths of light. Also called achromat. Cf. crown lens, flint glass.
[‡1860-65]

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Universalium. 2010.

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  • Achromatic lens — Achromatic Ach ro*mat ic, a. [Gr. ? colorless; a priv. + ?, ?, color: cf. F. achromatique.] 1. (Opt.) Free from color; transmitting light without decomposing it into its primary colors. [1913 Webster] 2. (Biol.) Uncolored; not absorbing color… …   The Collaborative International Dictionary of English

  • achromatic lens — n a compound lens made by combining lenses of different glasses (as flint glass and crown glass) with different focal powers so that the light emerging from the lens forms an image almost free from unwanted colors * * * a lens corrected for… …   Medical dictionary

  • Achromatic lens — An achromatic lens or achromat is a lens that is designed to limit the effects of chromatic and spherical aberration. Achromatic lenses are corrected to bring two wavelengths (typically red and blue) into focus in the same plane.The most common… …   Wikipedia

  • achromatic lens — achromatinis objektyvas statusas T sritis fizika atitikmenys: angl. achromat; achromatic lens; achromatic objective vok. Achromat, m; achromatisches Objektiv, n rus. ахромат, m; ахроматический объектив, m pranc. achromat, m; objectif achromatique …   Fizikos terminų žodynas

  • achromatic lens — achromatinis lęšis statusas T sritis Standartizacija ir metrologija apibrėžtis Lęšių sistema, kurios dviejų bangų ilgių, t. y. raudonos ir mėlynos spalvos, vaizdai yra tame pačiame optinės ašies taške. Sistemą sudaro iš skirtingo stiklo padaryti… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • achromatic lens — achromatinis lęšis statusas T sritis fizika atitikmenys: angl. achromatic lens vok. achromatische Linse, f rus. ахроматическая линза, f pranc. lentille achromatique, f …   Fizikos terminų žodynas

  • achromatic lens — lens composed usually of two separate lenses used to produce images free of chromatic aberrations …   English contemporary dictionary

  • achromatic lens — noun Date: circa 1864 a lens made by combining lenses of different glasses having different focal powers so that the light emerging from the lens forms an image practically free of chromatic aberration …   New Collegiate Dictionary

  • achromatic lens — noun a compound lens system that forms an image free from chromatic aberration • Hypernyms: ↑compound lens …   Useful english dictionary

  • achromatic lens — noun A lens generally composed of two separate lenses, one convex and one concave and generally of different materials, in such a way that the chromatic aberration produced by one is corrected by the other …   Wiktionary

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