MarcR  Offline Upload & Sell: Off
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Karen, Just type "pincushion distortion" into Google. You'll get plenty
of explanation. The "other" type is called "barrel distortion" (lines bend
outwards). You get these distortions from wide angle (barrel dist.) or
telephoto (pinc. dist.) settings, usually on zooms I think. But, as Geoff
suggested, in this case it might indeed be the natural shape of the
bus.
Marc.
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