Astrophysics (index)about

three-mirror anastigmat

(type of reflecting telescope)

Three-mirror anastigmat is a reflector telescope design with three mirrors chosen as to minimize aberration. The primary mirror is concave parabolic, the secondary, convex spherical, and the tertiary, concave spherical. It is a 20th century development. Examples:

A Korsch telescope is a modern variant.

(telescope type,reflector)

Referenced by:
Large Synoptic Survey Telescope (LSST)
reflector telescope