Nikon D780 - Aperture Setting

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Menu Guide >
A
Custom Settings
Aperture Setting
Choose whether aperture can be adjusted using the aperture
ring on CPU lenses in modes A and M.
•
Regardless of the option selected for [Aperture setting],
aperture for lenses not equipped with an aperture ring (type G
and E lenses) must be adjusted using the sub-command dial.
•
When using non-CPU lenses, supply lens data using the [Non-
CPU lens data] item in the setup menu (
0
349) and adjust
aperture using the lens aperture ring.
Option Description
[Sub-command
dial]
Aperture can only be adjusted with the sub-command
dial (or with the main command dial if [On] is selected
for [Change main/sub]> [Exposure setting]).
[Aperture ring]
Aperture can be adjusted with the lens aperture ring.
The camera aperture display shows aperture in
increments of 1 EV, although fractions of 1 EV can still
be selected using the aperture ring.