Schmidt optical system

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• Schmidt system — [shmit] n. 〚after B. Schmidt (1879 1935), Ger astronomer〛 a wide angle optical system having a concave, spherical mirror whose aberration is neutralized by a correcting lens: often used in special, photographic reflecting telescopes to obtain… …   Universalium

• Schmidt system — [shmit] n. [after B. Schmidt (1879 1935), Ger astronomer] a wide angle optical system having a concave, spherical mirror whose aberration is neutralized by a correcting lens: often used in special, photographic reflecting telescopes to obtain… …   English World dictionary

• Schmidt optics — /ʃmɪt ˈɒptɪks/ (say shmit optiks) noun optical system (used in wide field cameras and reflecting telescopes) by means of which spherical aberration and coma are reduced to a minimum by specially designed objectives. {named after Bernard Schmidt,… …  

• schmidt system — noun Usage: usually capitalized S : an optical system that utilizes an objective composed of a concave spherical mirror having in front of it a transparent correction plate carefully figured to offset the spherical aberration of the mirror …   Useful english dictionary

• Optical decay — is process of relaxation of excitation of an excited quantum system, usually due to the spontaneous emission of a photon or a phonon. Optical decay is dominant mechanism of quenching of excitation of active optical media. In solid state lasers… …   Wikipedia

• Schmidt camera — A Schmidt camera, also referred to as the Schmidt telescope, is an astronomical camera designed to provide wide fields of view with limited aberrations. Other similar designs are the Wright Camera and Lurie Houghton telescope.Invention and… …   Wikipedia

• Schmidt & Bender — Infobox Company company name=Schmidt Bender GmbH Co. KG company logo= company type=Gesellschaft mit beschränkter Haftung foundation=Biebertal, Germany, 1957 location city=Biebertal location country=Germany key people=Sabine Bender Gerlach Udo H.… …   Wikipedia

• Schmidt-Pechan prism — A Schmidt Pechan prism is a type of optical prism used to rotate an image by 180°. They are commonly used in binoculars as an image erecting system . Compared to binoculars using a Porro prism or Abbe Koenig a binoculars using a Schmidt Pechan… …   Wikipedia

• Schmidt-Cassegrain telescope — The Schmidt Cassegrain is a catadioptric telescope. It combines a folded optical path with a corrector plate to make a compact astronomical instrument. Invention and DesignThe Schmidt Cassegrain is a design based on Bernhard Schmidt s Schmidt… …   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

• Schmidt-Newton telescope — The optical design of the Schmidt Newton telescope combines elements from both the Schmidt camera and the Newtonian telescope. In this system the parabolic primary mirror common in newtonian reflector is replaced by a spherical mirror, which… …   Wikipedia