Catadioptric telescope(Engelstalig)

Catadioptric telescope(Engelstalig)

Berichtdoor Ton Dix » wo 04 nov 2009, 13:23

Catadioptric telescopes are optical telescopes that combine specifically shaped mirrors and lenses in designs that have all spherical surfaces that are easier to manufacture, have an overall greater degree of error correction than their all lens or mirror counterparts, have a wide field of view, take advantage of a folded optical path, or a combination of any or all of these attributes. Many types employ “correctors”, a lens or curved mirror in a combined image-forming optical system so that the reflective or refractive element can correct the aberrations produced by its counterpart.
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Ton Dix
 
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