Nikon D780 DSLR Camera (Body Only) - Manual (Page 398)

352 Other Shooting Options
Recalling Non-CPU Lens Data
1
Assign non-CPU lens number selection to a camera
control.
Assign [ Choose non-CPU lens number ] to a control using
Custom Setting f3 [ Custom controls ].
2
Use the selected control to
choose a lens number.
Press the selected control and rotate a command dial until
the desired lens number is displayed in the control panel.
A Zoom Lenses
Lens data are not adjusted when non-CPU lenses are zoomed in or out.
The data for different focal lengths can be entered as separate lens
numbers, or the data for the lens can be edited to reflect the new values
for lens focal length and maximum aperture each time zoom is adjusted.
1 Focal length
2 Maximum aperture
3 Lens number