aplanatic optics

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• aplanatic — [ap΄lə nat′ik] adj. [< Gr aplanētos, unerring < a , not + planan: see PLANET] Optics corrected for spherical aberration and coma: said of a lens …   English World dictionary

• aplanatic — aplanatically, adv. /ap leuh nat ik/, adj. Optics. free from spherical aberration and coma. [1785 95; A 6 + Gk planá(ein) to wander + TIC. See PLANET] * * * …   Universalium

• aplanatic — /æpləˈnætɪk/ (say apluh natik) adjective Optics free from spherical aberration and coma. {Greek aplanētos not wandering + ic} –aplanatism, noun …  

• Nonimaging optics — (also called anidolic optics)[1][2] is the branch of optics concerned with the optimal transfer of light radiation between a source and a target. Unlike traditional imaging optics, the techniques involved do not attempt to form an image of the… …   Wikipedia

• Coma (optics) — v · d · e Optical aberration …   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

• Optical aberration — v · d · e Optical aberration …   Wikipedia

• fermat's principle — (ˈ)fer|mäz noun Usage: usually capitalized F Etymology: after Pierre de Fermat died 1665 French mathematician, its formulator : a statement in optics: the path actually followed by a ray of light undergoing reflection or refraction is one of… …   Useful english dictionary

• 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

• Dmitry Dmitrievich Maksutov — Dmitri Dmitrievich Maksutov Dmitry Dmitrievich Maksutov (Russian: Дмитрий Дмитриевич Максутов) (23 April [O.S. 11 April] 1896 12 August 1964) was a Russian / Soviet optical engineer and amateur astronomer. He is best know …   Wikipedia

• Dmitri Dmitrievich Maksutov — (Russian:Дмитрий Дмитриевич Максутов) (OldStyleDate|23 April|1896|11 April August 12 1964) was a Soviet/Russian optician and astronomer. He is best known as the inventor of the Maksutov telescope.Dmitri Dmitriyevich Maksutov was born in the… …   Wikipedia