Cassegrainian telescope (n)
Gregorian telescope (n)

n02978478

type n
lex_filenum 06
def a reflecting telescope that has a paraboloidal primary mirror and a hyperboloidal secondary mirror
def light is brought to a focus through an aperture in the center of the primary mirror
Outgoing links
Hypernym reflecting telescope, reflector
Incoming links
Hyponym reflecting telescope, reflector

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