spherical aberration
variation in focal length of a lens or mirror from center to edge, due to its spherical shape.
Origin of spherical aberration
1Words Nearby spherical aberration
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How to use spherical aberration in a sentence
A lens in which the spherical aberration is corrected is said to be aplanatic.
An Elementary Text-book of the Microscope | John William GriffithThis combination largely overcame the spherical aberration, and it gained immediate fame as the "Wollaston doublet."
A History of Science, Volume 4(of 5) | Henry Smith WilliamsHuyghens also invented the compound eye-piece that bears his name, made of two convex lenses to diminish spherical aberration.
History of Astronomy | George ForbesNow there are evidently two methods of destroying or correcting spherical aberration, viz.
An Elementary Text-book of the Microscope | John William GriffithAnd the correction is produced by the same plano-concave lens as that which corrects the spherical aberration.
An Elementary Text-book of the Microscope | John William Griffith
British Dictionary definitions for spherical aberration
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 (def. 4)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for spherical aberration
[ sfîr′ĭ-kəl ]
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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