Phrase guide
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noun
An aspheric lens that corrects the spherical aberration introduced by the spherical primary mirror of the Schmidt telescope or Schmidt-Cassegrain telescope.
Definition source: English Wiktionary via Wiktextract
Topics: astronomy, natural-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
The lens was invented by Bernhard Schmidt in 1931.
