| 单词 | schmidt telescope |
| 释义 | Schmidt telescopenouna 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 telescope1935–40; named after Bernard Schmidt (1879–1935), German inventor Words nearby Schmidt telescopeschmear, Schmeling, schmick, Schmidt, Schmidt-Lanterman incisure, Schmidt telescope, schmierkase, Schmitt, Schmitt trigger, schmo, schmooze Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for Schmidt telescopeSchmidt telescope Schmidt cameranouna 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 for Schmidt telescopeC20: 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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