Nikon D780 DSLR Camera (Body Only) - Manual (Page 777)

731 Menu Guide > N The Retouch Menu
• Note that [ Manual ] must be used with copies created using
the [ Auto ] option and with photos taken using the [ Auto
distortion control ] option in the photo shooting menu.
Manual distortion control cannot be further applied to copies
created using [
Manual ].
• Press 4 to reduce pincushion distortion, 2 to reduce barrel
distortion.
• Press J to save the retouched copy.
D Distortion Control
• Note that greater amounts of distortion control result in more of the
edges being cropped out.
• Distortion control may heavily crop or distort the edges of copies
created from photographs taken with DX lenses at image areas other
than [
DX (24Ч16) ].