Gregorian Telescope

(Pronunciation -تلفظ سنیۓ ) US:

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Noun: Gregorian Telescope

1. Gregorian Telescope [ Synonyms: cassegrainian telescope]
A reflecting telescope that has a paraboloidal primary mirror and a hyperboloidal secondary mirror; light is brought to a focus through an aperture in the center of the primary mirror

Generic Words:

reflecting telescope, reflector

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