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objective doublet

См. также в других словарях:

  • doublet objective — dvilęšis objektyvas statusas T sritis fizika atitikmenys: angl. doublet lens; doublet objective vok. Zweilinsenobjektiv, n; zweilinsiges Objektiv, n rus. двухлинзовый объектив, m pranc. objectif à deux lentilles, m …   Fizikos terminų žodynas

  • doublet lens — dvilęšis objektyvas statusas T sritis fizika atitikmenys: angl. doublet lens; doublet objective vok. Zweilinsenobjektiv, n; zweilinsiges Objektiv, n rus. двухлинзовый объектив, m pranc. objectif à deux lentilles, m …   Fizikos terminų žodynas

  • Non-achromatic objective — A non achromatic objective is an objective lens which is not corrected for chromatic aberration. In telescopes they can a be pre 18th century simple single element objective lenses which were used before the invention of doublet achromatic lenses …   Wikipedia

  • microscope — /muy kreuh skohp /, n. 1. an optical instrument having a magnifying lens or a combination of lenses for inspecting objects too small to be seen or too small to be seen distinctly and in detail by the unaided eye. 2. (cap.) Astron. the… …   Universalium

  • Eyepiece — For the device for looking through a camera, see viewfinder. A collection of different types of eyepieces. An eyepiece, or ocular lens, is a type of lens that is attached to a variety of optical devices such as telescopes and microscopes. It is… …   Wikipedia

  • Optical telescope — Eight Inch refracting telescope (Chabot Space and Science Center) An optical telescope is a telescope which is used to gather and focus light mainly from the visible part of the electromagnetic spectrum for directly viewing a magnified image for… …   Wikipedia

  • Structuralism (french) and after — French structuralism and after De Saussure, Lévi Strauss, Barthes, Lacan, Foucault Hugh J.Silverman FERDINAND DE SAUSSURE The history of structuralism cannot be thought without Ferdinand de Saussure (1857– 1913). The Swiss linguist lecturing in… …   History of philosophy

  • Achromatic telescope — The achromatic telescope is a refracting telescope that uses an achromatic lens to correct for chromatic aberration. How it worksWhen an image passes through a lens, the light is diffracted at different angles for different wavelengths. This… …   Wikipedia

  • List of lens designs — * Achromatic doublet * Apochromatic doublet * Biconcave lens * Biconvex lens * Convex concave lens * Celor lens * Chevalier lens * Cooke Triplet * Dialyt lens * Double Gauss lens * Doublet lens * Eyepiece * Field lens * Fisheye lens * Fresnel… …   Wikipedia

  • Achromat — Achromatischer Zweilinser; bei grünem Licht durchläuft die Schnittweite ein Minimum Ein Objektiv wird als achromatisch oder als ein Achromat bezeichnet, wenn die Änderung der Schnittweite mit der Wellenlänge für eine Wellenlänge verschwindet.… …   Deutsch Wikipedia

  • sécurité — [ sekyrite ] n. f. • 1190, rare av. XVIIe; lat. securitas, de securus « sûr »; doublet sav. de sûreté 1 ♦ État d esprit confiant et tranquille d une personne qui se croit à l abri du danger. ⇒ assurance, 1. calme, confiance, tranquillité.… …   Encyclopédie Universelle

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