| spherical aberration n. The blurring of an image that occurs when light from the margin of a lens or mirror with a spherical surface comes to a shorter focus than light from the central portion. The changing focal length is caused by deviations in the lens or mirror surface from a true sphere. |
spherical aberration
n
(Physics / General Physics) Physics a defect of optical systems that arises when light striking a mirror or lens near its edge is focused at different points on the axis to the light striking near the centre. The effect occurs when the mirror or lens has spherical surfaces See also aberration [4]
spherical aberration (sfîr  -k l) See under aberration. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  spherical aberration - an optical aberration resulting in a distorted imageoptical aberration, aberration, distortion - an optical phenomenon resulting from the failure of a lens or mirror to produce a good image |
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