WordNet: Cassegrainian telescope, Gregorian 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
- hypernym reflecting telescope, reflector
Cassegrainian telescope
- (suomi) Cassegrain-teleskooppi (synonyymi)
Gregorian telescope
- (suomi) gregoriaaninen kaukoputki (synonyymi)