> Barrel and pincushion distortion are optical anomalies whereas > perspective distortion (wide angle effect) is a perceived > distortion. If a print of a wide angle shot is viewed up close > enough the scene will appear undistorted.
This is quite true. If I hold a all-too-typical newspaper shot of a group of people taken too close with a wide-angle lens (with some of the people's heads "stretched" towards the corners) very close up (which for me, is easy - I'm nearsighted, so with my glasses off my close-focus point is quite close to my face), it looks relatively more normal. Fred

