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1 focusing
focusing ['fəʊkəsɪŋ](a) (of beams, rays etc) convergence f(b) (of microscope, lens etc) mise f au point;∎ lens in focusing mount objectif m à mise au point hélicoïdale►► focusing cloth voile m noir de mise au point;focusing coil bobine f de concentration ou de focalisation;focusing eyepiece loupe f de mise au point;focusing glass loupe f de mise au point;focusing ring anneau m de mise au point;focusing scale échelle f des distances, échelle f de mise au point;focusing screen loupe f de mise au point;focusing screw vis f de mise au point, écrou m de réglage du foyer;focusing tube tube m de concentration ou de convergence, tube m convergent;focusing viewer viseur m focimétrique ou focométrique
См. также в других словарях:
Convergent — Con*ver gent, a. [Cf. F. convergent.] tending to one point of focus; tending to approach each other; converging. [1913 Webster] As many rays of light, as conveniently can be let in, and made convergent. Boyle. [1913 Webster] The vast dome of its… … The Collaborative International Dictionary of English
Converging rays — Converging Con*ver ging, a. Tending to one point; approaching each other; convergent; as, converging lines. Whewell. [1913 Webster] {Converging rays}(Opt.), rays of light, which, proceeding from different points of an object, tend toward a single … The Collaborative International Dictionary of English
focus — 1. (F) The point at which the light rays meet after passing through a convex lens. 2. The center, or the starting point, of a disease process. [L. a hearth] conjugate foci two points so related to a lens or … Medical dictionary
converging lens — noun lens such that a beam of light passing through it is brought to a point or focus • Syn: ↑convex lens • Hypernyms: ↑lens, ↑lense, ↑lens system • Hyponyms: ↑sunglass * * * noun … Useful english dictionary
converging lens — Optics. a lens that converts parallel rays of light to convergent rays and produces a real image. Also called positive lens. Cf. diverging lens. See diag. under lens. * * * … Universalium
Hyperopia — Farsightedness; the ability to see distant objects more clearly than close objects. Hyperopia may be corrected with glasses or contact lenses. * * * Longsightedness; that optical condition in which only convergent rays can be brought to focus on… … Medical dictionary
real focus — rē(ə)l n a point at which rays (as of light) converge or from which they diverge * * * the point at which convergent rays intersect … Medical dictionary
virtual focus — noun 1. : a point from which divergent rays (as of light) seem to emanate but do not actually do so (as in the image of a point source seen in a plane mirror) 2. : a point toward which convergent rays are directed but which being intercepted they … Useful english dictionary
analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… … Universalium
Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… … Universalium
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