Bernhard Schmidt
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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).
Schmidt–Cassegrain telescope
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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
Bernhard Schmidt
…was like nothing ever seen before in telescope design. After Schmidt a flood of new catadioptric designs appeared in the subsequent decades. Today the Schmidt–Cassegrain telescopes contain the Schmidt's correction plate, and these are today the most popular computerized amateur telescopes. Schmidt built his first "Schmidtspiegel…
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