A Buyer’s and User’s Guide to Astronomical Telescopes & BinocularsCatadioptric Telescopes
A Buyer’s and User’s Guide to Astronomical Telescopes & Binoculars: Catadioptric Telescopes
2007-01-01 00:00:00
[While the inventions of the refractor and reflector occurred within a scant 60 years of each other, no new form of astronomical telescope appeared on the scene for nearly another three centuries. The idea then dawned on telescope designers of combining the attributes of both the refractor and the reflector into a single system, which became known as the catadioptric (or compound) telescope. In 1930 Bernhard Schmidt used a thin, aspheric corrector plate on a fast Newtonian reflector to flatten and sharpen the field for wide-angle photography, giving birth to the Schmidt camera. A decade later, Dimitri Maksutov combined a thick meniscus lens with a Cassegrain reflector to greatly improve both its visual and its photographic performance, resulting in the Maksutov-Cassegrain.]
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A Buyer’s and User’s Guide to Astronomical Telescopes & BinocularsCatadioptric Telescopes
[While the inventions of the refractor and reflector occurred within a scant 60 years of each other, no new form of astronomical telescope appeared on the scene for nearly another three centuries. The idea then dawned on telescope designers of combining the attributes of both the refractor and the reflector into a single system, which became known as the catadioptric (or compound) telescope. In 1930 Bernhard Schmidt used a thin, aspheric corrector plate on a fast Newtonian reflector to flatten and sharpen the field for wide-angle photography, giving birth to the Schmidt camera. A decade later, Dimitri Maksutov combined a thick meniscus lens with a Cassegrain reflector to greatly improve both its visual and its photographic performance, resulting in the Maksutov-Cassegrain.]
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