bn:03823444n
Noun Concept
Categories: Astronomy stubs, Telescope types, Mirrors, Optics stubs
EN
toroidal reflector
EN
A toroidal mirror is a reflector whose surface is a section of a torus, defined by two radii of curvature. Wikipedia
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EN
A toroidal mirror is a reflector whose surface is a section of a torus, defined by two radii of curvature. Wikipedia
A parabolic reflector which has a different focal distance depending on the angle of the mirror Wikipedia Disambiguation
Type of parabolic reflector Wikidata
Wikipedia
Wikidata