Schmidt system
n.
after B. Schmidt (1879-1935), Ger astronomer
a wide-angle optical system having a concave, spherical mirror whose aberration is neutralized by a correcting lens: often used in special, photographic reflecting telescopes to obtain clear pictures of large areas of the celestial sphere: also called Schmidt camera

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Universalium. 2010.

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  • Schmidt camera — noun reflecting telescope that has plate that corrects for aberration so a wide area of sky can be photographed • Syn: ↑Schmidt telescope • Hypernyms: ↑reflecting telescope, ↑reflector * * * ˈshmit noun Usage: usually capitalized S …   Useful english dictionary

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