compound lens

compound lens
a lens made up of two or more segments.

Medical dictionary. 2011.

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  • compound lens — noun a lens system consisting of two or more lenses on the same axis • Hypernyms: ↑lens, ↑lense, ↑lens system • Hyponyms: ↑achromatic lens * * * noun : a lens made of simple lenses mounted on a common axis usually in close juxtaposition and often …   Useful english dictionary

  • compound lens — an optical system consisting of two or more lenses having the same axis. * * * …   Universalium

  • 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 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 — ► NOUN 1) a piece of transparent material with one or both sides curved for concentrating or dispersing light rays. 2) the light gathering device of a camera, containing a group of compound lenses. 3) Anatomy the transparent elastic structure… …   English terms dictionary

  • compound microscope — n. a microscope having an objective lens for forming an intermediate image and an eyepiece for viewing that image …   English World dictionary

  • Compound refractive lens — A Compound refractive lens (CRL) is a series of individual lenses arranged in a linear array in order to achieve focusing of X rays in the energy range of 5 40 keV. For all materials the refractive index for X rays is close to 1, hence a single… …   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

  • compound microscope — noun light microscope that has two converging lens systems: the objective and the eyepiece • Hypernyms: ↑light microscope • Part Meronyms: ↑objective, ↑objective lens, ↑object lens, ↑object glass * * * noun : a microscop …   Useful english dictionary

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