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Record 1 1987-03-12

English

Subject field(s)
  • Facilities and Instruments (Astronomy)
DEF

The lens placed at the front of a catadiptric telescope to correct the aberration of its spherical primary mirror.

French

Domaine(s)
  • Installations et instruments (Astronomie)
CONT

Télescope de Schmidt. En 1930, Bernhard Schmidt (...) a montré que l'on pouvait obtenir des images correctes dans un champ étendu avec un miroir sphérique précédé d'une lame correctrice dont la section méridienne est calculée à cet effet.

Spanish

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