Schmidt–Cassegrain telescope
Videos
The Schmidt–Cassegrain is a catadioptric telescope that combines a Cassegrain reflector's optical path with a Schmidt corrector plate to make a compact astronomical instrument that uses simple spheric
View of the corrector and primary mirror of a Schmidt–Cassegrain telescope.
People demonstrating a Schmidt–Cassegrain telescope manufactured by Celestron at a sidewalk gathering
Bernhard Schmidt
Videos
Bernhard Woldemar Schmidt was an Estonian optician. In 1930 he invented the Schmidt telescope, which corrected for the optical errors of spherical aberration, coma, and astigmatism, making possible fo
Bernhard Schmidt
Schmidt Museum at Hamburg Observatory, Bergedorf
The 2m Schmidt Camera (the Alfred-Jensch Telescope at Karl Schwarzschild Observatory in Tautenburg, Germany).