英语词汇“Schmidt telescope”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	Schmidt telescope
释义	Word Frequency Schmidt telescope or Schmidt camera noun 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
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