Reflecting telescopes
type: Concept
narrower: Cassegrain telescopes

Ritchey-Chrétien telescopes
type: Concept
broader: Cassegrain telescopes

Cassegrain telescopes
contributor: AAS Frey.Katie Admin
broader: Reflecting telescopes
definition: A reflecting telescope whose primary mirror has a hole bored through the center to allow the reflected light from the convex secondary mirror be focused beyond the back end of the tube.
narrower: Ritchey-Chrétien telescopes
modified: 2020-11-03T21:35:32.785Z
modified: 2020-11-03T21:35:20.832Z
type: Concept