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Schmidt telescope

noun
1.
a wide-angle reflecting telescope used primarily for astronomical photography, in which spherical aberration and coma are reduced to a minimum by means of a spherical mirror with a corrector plate near its focus.
Also called Schmidt reflector.
Origin of Schmidt telescope
1935-1940
1935-40; named after Bernard Schmidt (1879-1935), German inventor
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Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for Schmidt telescope

Schmidt telescope

noun
1.
a catadioptric telescope designed to produce a very sharp image of a large area of sky in one photographic exposure. It incorporates a thin specially shaped glass plate at the centre of curvature of a short-focus spherical primary mirror so that the resulting image, which is focused on a photographic plate, is free from spherical aberration, coma, and astigmatism
Word Origin
C20: named after B. V. Schmidt (1879–1935), Estonian-born German inventor
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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