Nikon D750 User Manual page 418

Option
List saved values
D
AF Tuning
The camera may be unable to focus at minimum range or at infinity
when AF tuning is applied.
D
Live View
Tuning is not applied to autofocus during in live view (0 54).
A
Saved Value
Only one value can be stored for each type of lens. If a teleconverter is
used, separate values can be stored for each combination of lens and
teleconverter.
390
List previously saved AF tuning values. To delete a lens
from the list, highlight the desired lens and press O (Q).
To change a lens identifier (for example, to choose an
identifier that is the same as the last two digits of the
lens serial number to distinguish it from other lenses of
the same type in light of the fact that Saved value can
be used with only one lens of each type), highlight the
desired lens and press 2.
The menu shown at right will
be displayed; press 1 or 3 to
choose an identifier and
press J to save changes and
exit.
Description