Cassegrain focus


Also found in: Dictionary, Thesaurus, Medical, Legal, Wikipedia.
Related to Cassegrain focus: Coude Focus, Reflecting telescopes

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.