Schmidt systemSchmidt system
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
Origin of Schmidt systemafter B. Schmidt (1879-1935), German optician, born in Estonia
An optical system consisting of a concave spherical mirror with a transparent lens, resembling a plate of glass, located at its center of curvature, used in reflecting telescopes to offset spherical aberration and coma.
Origin of Schmidt systemAfter Bernhard Voldemar Schmidt (1879-1935), Estonian-born German optical scientist