Aplanatic telescope — Telescope Tel e*scope, n. [Gr. ? viewing afar, farseeing; ? far, far off + ? a watcher, akin to ? to view: cf. F. t[ e]lescope. See {Telegraph}, and { scope}.] An optical instrument used in viewing distant objects, as the heavenly bodies. [1913… … The Collaborative International Dictionary of English
Aplanatic focus — Focus Fo cus (f[=o] k[u^]s), n.; pl. E. {Focuses} (f[=o] k[u^]s*[e^]z), L. {Foci} (f[=o] s[imac]). [L. focus hearth, fireplace; perh. akin to E. bake. Cf. {Curfew}, {Fuel}, {Fusil} the firearm.] 1. (Opt.) A point in which the rays of light meet,… … The Collaborative International Dictionary of English
coma-free mirror — aplanatinis veidrodis statusas T sritis fizika atitikmenys: angl. aplanatic mirror; coma free mirror vok. komafreier Spiegel, m rus. апланатическое зеркало, n pranc. miroir aplanétique, m … Fizikos terminų žodynas
aplanatinis veidrodis — statusas T sritis fizika atitikmenys: angl. aplanatic mirror; coma free mirror vok. komafreier Spiegel, m rus. апланатическое зеркало, n pranc. miroir aplanétique, m … Fizikos terminų žodynas
komafreier Spiegel — aplanatinis veidrodis statusas T sritis fizika atitikmenys: angl. aplanatic mirror; coma free mirror vok. komafreier Spiegel, m rus. апланатическое зеркало, n pranc. miroir aplanétique, m … Fizikos terminų žodynas
miroir aplanétique — aplanatinis veidrodis statusas T sritis fizika atitikmenys: angl. aplanatic mirror; coma free mirror vok. komafreier Spiegel, m rus. апланатическое зеркало, n pranc. miroir aplanétique, m … Fizikos terminų žodynas
апланатическое зеркало — aplanatinis veidrodis statusas T sritis fizika atitikmenys: angl. aplanatic mirror; coma free mirror vok. komafreier Spiegel, m rus. апланатическое зеркало, n pranc. miroir aplanétique, m … Fizikos terminų žodynas
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
Reflecting telescope — 24 inch convertible Newtonian/Cassegrain reflecting telescope on display at the Franklin Institute. A reflecting telescope (also called a reflector) is an optical telescope which uses a single or combination of curved mirrors that reflect light… … Wikipedia
Achromatic telescope — Telescope Tel e*scope, n. [Gr. ? viewing afar, farseeing; ? far, far off + ? a watcher, akin to ? to view: cf. F. t[ e]lescope. See {Telegraph}, and { scope}.] An optical instrument used in viewing distant objects, as the heavenly bodies. [1913… … The Collaborative International Dictionary of English