Meaning of barrel distortion in English:

barrel distortion

noun

mass noun
  • A type of defect in optical or electronic images in which vertical or horizontal straight lines appear as convex curves.

    ‘Focusing the scopes on the distant brick wall with its very distinct vertical and horizontal lines, we checked for pincushion distortion (lines bowing in) and barrel distortion (lines bowing out).’
    • ‘We detected no spherical aberration, astigmatism, barrel distortion, or rolling distortion during testing.’
    • ‘No barrel distortion and no rolling distortion was present, however, I did note some pin cushion distortion.’
    • ‘I noted no astigmatism, curvature of field, rolling distortion, or barrel distortion.’
    • ‘We noted no astigmatism, curvature of field, barrel distortion, or rolling distortion.’