barrel distortion

noun Optics.

a distortion produced by a lens in which the magnification decreases toward the edge of the field.

Origin of barrel distortion

First recorded in 1885–90 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for barrel distortion

barrel distortion


photog distortion of an image produced by an optical system that causes straight lines at image margins to bulge outwards
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