■ noun a type of catadioptric telescope used for wide-angle astronomical photography, with a thin glass plate at the front to correct for spherical aberration.
Origin
1930s: named after the German inventor Bernhard V. Schmidt .
■ noun a type of catadioptric telescope used for wide-angle astronomical photography, with a thin glass plate at the front to correct for spherical aberration.
Origin
1930s: named after the German inventor Bernhard V. Schmidt .
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004