Schmidt n Helmut (Heinrich Waldemar) ('hɛlmu:t). born 1918, German Social Democrat statesman; chancellor of West Germany (1974--82)
Schmidt telescope , camera
n 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
(C20: named after B. V. Schmidt (1879--1935), Estonian-born German inventor)
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