Geography, asked by jaybhanushali2007, 1 month ago

what is meant by cassegrain telescope ?

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Answers

Answered by anupamsgpgi

Answer:

Definition of Cassegrain telescope

: a reflecting telescope that has a paraboloidal primary mirror and hyperboloidal secondary mirror, is equivalent in its optical effects to a telephoto lens, and usually has the light brought to a focus through a perforation in the center of the primary mirror.

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