Optics.
a distortion produced by a lens in which the magnification increases toward the edge of the field. Cf. barrel distortion .
[ 1890-95 ]
Optics.
a distortion produced by a lens in which the magnification increases toward the edge of the field. Cf. barrel distortion .
[ 1890-95 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012