Nikon D500 - Manual (Page 157)

131
A
Lens Types
When using a CPU lens equipped with an aperture ring ( 0 325), lock
the aperture ring at the minimum aperture (highest f-number). Type G
and E lenses are not equipped with an aperture ring.
When using non-CPU lenses ( 0 250), select exposure mode A
(aperture-priority auto) or M (manual). In other modes, exposure mode
A
is automatically selected when a non-CPU lens is attached ( 0 325).
The exposure mode indicator (P or S) will flash in the control panel and
A
will be displayed in the viewfinder.
A Depth-of-Field Preview
To preview the effects of aperture, press and
hold the Pv button. The lens will be stopped
down to the aperture value selected by the
camera (modes P and S) or the value chosen
by the user (modes A and M), allowing depth
of field to be previewed in the viewfinder.
A Custom Setting e5—Modeling Flash
This setting controls whether optional flash units that support the
Nikon Creative Lighting System (CLS;
0 328) will emit a modeling flash
when the Pv button is pressed.
Pv button