Pincushion distortion (Pincushion Distortion).

Pincushion distortion caused by the lens to the middle of the screen "shrink" phenomenon. .We use a telephoto lens or telephoto zoom lens, the most easily detected pincushion distortion. .Especially in the use of focal length converter, pincushion distortion can easily occur. .When the screen in a straight line (especially near the edge of the frame) when the pin cushion-shaped distortion most likely to be aware of <P> pincushion distortion caused by the lens to the middle of the screen "shrink" phenomenon. .We use a telephoto lens or telephoto zoom lens, the most easily detected pincushion distortion. .Especially in the use of focal length converter, pincushion distortion can easily occur. .When the screen in a straight line (especially near the edge of the frame) when the pin cushion-shaped distortion most likely to be noticed. .Ordinary consumer digital camera-shaped pin cushion distortion typically 0.4% over the barrel distortion is low. .And the pin cushion-shaped distortion is the opposite of barrel distortion, we have made in the above topic details. .</ P> pin cushion-shaped distortion of the square-shaped pin cushion shrink inward example <P> pincushion distortion correction </ P> <P> we can and a series of Adobe Photoshop software to correct the output of the digital camera pincushion .shape distortion of images and master the know-how after the difficulty is not significant. .</ P ><!-- Navigation Menu - ".