A type of defect in optical or electronic images in which vertical or horizontal straight lines appear as convex curves.
（视觉或电子形象呈球面的）桶形畸变，桶形失真
Example sentencesExamples
I noted no astigmatism, curvature of field, rolling distortion, or barrel distortion.
We detected no spherical aberration, astigmatism, barrel distortion, or rolling distortion during testing.
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 noted no astigmatism, curvature of field, barrel distortion, or rolling distortion.
No barrel distortion and no rolling distortion was present, however, I did note some pin cushion distortion.
Definition of barrel distortion in US English:
barrel distortion
noun
A type of defect in optical or electronic images in which vertical or horizontal straight lines appear as convex curves.
（视觉或电子形象呈球面的）桶形畸变，桶形失真
Example sentencesExamples
We detected no spherical aberration, astigmatism, barrel distortion, or rolling distortion during testing.
I noted no astigmatism, curvature of field, rolling distortion, or barrel distortion.
No barrel distortion and no rolling distortion was present, however, I did note some pin cushion distortion.
We noted no astigmatism, curvature of field, barrel distortion, or rolling distortion.
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).