About The Word Aplanatic
Learn about the word Aplanatic to help solve your crossword puzzle. Discover Aplanatic definitions and meaning, origins, synonyms, related terms and more at the free Crossword Dictionary.
Aplanatic
| Aplanatic Definition And Meaning |
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What's The Definition Of Aplanatic?
[adj] (optics) free from or corrected for spherical aberration; "an aplanatic mirror"
Synonyms | Synonyms for Aplanatic: corrected Related Terms | Find terms related to Aplanatic: See Also | Aplanatic In Webster's Dictionary \Ap`la*nat"ic\, a. [Gr. 'a priv. + ? disposed to
wander, wandering, ? to wander.] (Opt.)
Having two or more parts of different curvatures, so combined
as to remove spherical aberration; -- said of a lens.
{Aplanatic focus} of a lens (Opt.), the point or focus from
which rays diverging pass the lens without spherical
aberration. In certain forms of lenses there are two such
foci; and it is by taking advantage of this fact that the
best aplanatic object glasses of microscopes are
constructed.
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