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.Photo Tips
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.
The opposite of barrel distortion; straight lines are bowedin toward the middle to resemble the sides of a pincushion; present in smal amountsin some telephoto and telephoto-zoom lenses.
Lens aberrations that make the borders of an image bow slightly inwards to the centre forming a shape like pincushion.