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barrel distortion

Line breaks: bar¦rel dis|tor¦tion

Definition of barrel distortion in English:

noun

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

Definition of barrel distortion in:

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