longitudinal aberration


Also found in: Dictionary, Thesaurus, Legal, Encyclopedia.
Related to longitudinal aberration: lateral chromatic aberration

lon·gi·tu·di·nal ab·er·ra·tion

in spheric aberration, the distance separating the focus of paraxial and peripheral rays on the optic axis.

lon·gi·tu·di·nal ab·er·ra·tion

(lon'ji-tū'di-năl ab-ĕr-ā'shŭn)
In spheric aberration, the distance separating the focus of paraxial and peripheral rays on the optic axis.

longitudinal aberration

Deviation of a ray from the direction parallel to the optic axis.
See also: aberration