a distortion produced by a lens in which the magnification decreases toward the edge of the field.
- Compare pincushion distortion.
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How to use barrel distortion in a sentence
The sides instead of being straight bow outwards: this is called barrel distortion.How it Works | Archibald Williams
British Dictionary definitions for 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