distortion

(redirected from Pincushion distortion)
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Related to Pincushion distortion: Barrel Distortion
References in periodicals archive ?
They had slight pincushion distortion but no rolling distortion, and curvature of field was well taken care of.
There is a very slight pincushion distortion at the edge of the field, which I only noticed when I was sweeping large, "solid" objects such as the Moon in and out of the field.
Distortion stretching the shape in the diagonal direction is called pincushion distortion, and that which compresses the shape in the diagonal direction is called barrel distortion.