| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024Schmidt′ tel′escope, - Opticsa 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′ reflec′tor.
- named after Bernard Schmidt (1879–1935), German inventor 1935–40
Collins Concise English Dictionary © HarperCollins Publishers:: Schmidt telescope, Schmidt 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
Etymology: 20th Century: named after B. V. Schmidt (1879–1935), Estonian-born German inventor |