1. distortion (as by an optical instrument or television receiver) in which the image of a straight line appears to be curved convexly toward the axis — compare barrel distortion
pincushion distortion 例句
英汉例句
Rectilinear distortion: All three binoculars show a moderate amount of pincushion distortion as it is commonly employed to compensate for the globe effect and to provide a smooth panning of the image.