Nikon D6 - Page 822

770
C
The Photo Shooting Menu: Shooting Options
Select [On] to reduce diffraction at small apertures (high f/-
numbers).
•
To apply diffraction compensation to pictures taken with non-
CPU lenses, enter the lens data using the [Non-CPU lens data]
item in the setup menu.
Diffraction Compensation
G
button
U C
photo shooting menu