Nikon D90 User Manual page 242

Distortion Control
Create copies with reduced peripheral distortion. Select Auto
to let the camera correct distortion automatically and then
make fine adjustments using the multi selector, or select
Manual to reduce distortion manually. Press
~
to reduce barrel
distortion, .... to reduce pin-cushion distortion (note that greater
amounts of distortion control result in more of the edges being
cropped out). Press
®
to copy the photograph, or press
[B
to
exit to playback without creating a copy.
~ Auto
Auto is for use only with pictures taken with type G and D lenses (PC, fisheye, and AF 35-70mm
f/2.8D lenses excluded). Results are not guaranteed with other lenses.
Fisheye
Create copies that appear to have been taken with a fisheye
lens. Press
~
to increase the effect (this also increases the
amount of that will be cropped out at the edges of the image),
.... to reduce it. Press
®
to copy the photograph, or press
[B
to
exit to playback without creating a copy.
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