spherical aberration
noun Date: 1868 aberration that is caused by the spherical form of a lens or mirror and that gives different foci for central and marginal rays

New Collegiate Dictionary. 2001.

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  • spherical aberration — Aberration Ab er*ra tion, n. [L. aberratio: cf. F. aberration. See {Aberrate}.] 1. The act of wandering; deviation, especially from truth or moral rectitude, from the natural state, or from a type. The aberration of youth. Hall. Aberrations from… …   The Collaborative International Dictionary of English

  • spherical aberration — n. optical distortion resulting from the spherical shape of a lens or mirror …   English World dictionary

  • Spherical aberration — shape of lenses and mirrors. This is an important effect, as spherical shapes are much easier to produce than aspherical and so most lenses have spherical shapes. Positive spherical aberration means peripheral rays are bent too much. Negative… …   Wikipedia

  • spherical aberration — sferinė aberacija statusas T sritis fizika atitikmenys: angl. spherical aberration vok. sphärische Aberration, f rus. сферическая аберрация, f pranc. aberration de sphéricité, f; aberration sphérique, f …   Fizikos terminų žodynas

  • spherical aberration — F/A/V light passing through the edges of the lenses can also have focal lengths different from those passing through the center is called spherical aberration …   Audio and video glossary

  • spherical aberration — spher·i·cal aberration sfir i kəl , sfer n aberration that is caused by the spherical form of a lens or mirror and that gives different foci for central and marginal rays * * * zonal aberration in relation to an axial point; see negative… …   Medical dictionary

  • spherical aberration — noun an optical aberration resulting in a distorted image • Hypernyms: ↑aberration, ↑distortion, ↑optical aberration …   Useful english dictionary

  • spherical aberration — noun A type of lens aberration which causes blurriness, particularly away from the centre of the lens …   Wiktionary

  • spherical aberration — variation in focal length of a lens or mirror from center to edge, due to its spherical shape. [1865 70] * * * …   Universalium

  • spherical aberration — noun a loss of definition in the image arising from the surface geometry of a spherical mirror or lens …   English new terms dictionary

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