Cassegrain focus

Cassegrain focus:

see telescopetelescope,
traditionally, a system of lenses, mirrors, or both, used to gather light from a distant object and form an image of it. Traditional optical telescopes, which are the subject of this article, also are used to magnify objects on earth and in astronomy; other types of
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Cassegrain focus

See Cassegrain configuration.

Cassegrain focus

[kas·gran ′fō·kəs] (optics) The principal focus of a Cassegrain telescope, located just behind the primary mirror.

单词	cassegrain focus
释义	DictionarySeetelescope Cassegrain focus Cassegrain focus: see telescopetelescope, traditionally, a system of lenses, mirrors, or both, used to gather light from a distant object and form an image of it. Traditional optical telescopes, which are the subject of this article, also are used to magnify objects on earth and in astronomy; other types of ..... Click the link for more information. . Cassegrain focus See Cassegrain configuration. Cassegrain focus [kas·gran ′fō·kəs] (optics) The principal focus of a Cassegrain telescope, located just behind the primary mirror.
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