A type of lens distortion that occurs when the edges of a photograph bend inward. It is most easily noticeable when straight lines in a scene are distorted towards the center of a picture of the scene [..]

An optical distortion, common in less expensive lenses, where parallel lines on the horizontal or vertical plane bow inward. Pincushion distortion is the opposite of barrel distortion.

Internet Glossary A common type of distortion in CRT monitors in which horizontal and vertical lines bend inwards toward the center of the display. The distortion is most noticeable at the edges of the display.The opposite of pincushion distortion is barrel distortion, in which horizontal and vertical lines bend outwards toward the edge of the disp [..]

A common type of distortion in CRT monitors in which horizontal and vertical lines bend inwards toward the center of the display. The distortion is most noticeable at the edges of the display. The opp [..]

An effect by which image magnification increases with the distance from the optical axis. The visible effect is that lines that do not go through the center of the image are bowed inwards, toward the [..]

An image aberration that compresses the centre of the field.

The opposite of barrel distortion; straight lines are bowed in toward the middle to resemble the sides of a pincushion; present in small amounts in some telephoto and telephoto-zoom lenses. Photomicrography