suppression de l'aberration

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• Verre correcteur — Un verre correcteur est une lentille optique portée devant l œil, principalement pour corriger les amétropies : myopie, hypermétropie, astigmatisme et presbytie. Les lunettes sont portées à une faible distance des yeux. Les lentilles de… …   Wikipédia en Français

• apochromatique — ● apochromatique adjectif Se dit d un objectif corrigé de l aberration chromatique axiale pour au moins trois longueurs d onde et de l aberration sphérique pour deux longueurs d onde. ⇒APOCHROMATIQUE, adj. ,,Se dit d un objectif corrigé pour… …   Encyclopédie Universelle

• Myopia — For other uses, see Myopia (disambiguation). Myopia Classification and external resources ICD 10 H …   Wikipedia

• Ruggiero Giuseppe Boscovich —     Ruggiero Giuseppe Boscovich     † Catholic Encyclopedia ► Ruggiero Giuseppe Boscovich     A Dalmatian Jesuit and well known mathematician, astronomer, and natural philosopher, b. at Ragusa, 18 May 1711; d. at Milan, 13 February, 1787. He was… …   Catholic encyclopedia

• Operation Rolling Thunder — Part of the Vietnam War F 105 Thunderchiefs radar bombing at direction of a B 6 …   Wikipedia

• international relations — a branch of political science dealing with the relations between nations. [1970 75] * * * Study of the relations of states with each other and with international organizations and certain subnational entities (e.g., bureaucracies and political… …   Universalium

• Canon EF lens mount — The EF lens mount allows all the Canon EF lenses to be used on any of the Canon EOS line of cameras made by Canon Inc.Unlike the EF s breech lock predecessor, the FD mount, the EF mount uses a bayonet style mount. EF stands for Electro Focus :… …   Wikipedia

• Europe, history of — Introduction       history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …   Universalium

• eye, human — ▪ anatomy Introduction  specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit       The eye is protected from mechanical injury… …   Universalium

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• First Stadtholderless Period — The First Stadtholderless Period or Era (1650 1672) (Dutch Eerste Stadhouderloze Tijdperk ) is the period in the history of the Dutch Republic in which it reached the zenith of its economic, military and political Golden Age. The term has… …   Wikipedia