92 a – Nikon D750 DSLR Camera (Body Only) User Manual
Page 120
92
A
Non-CPU Lenses (
Use the lens aperture ring to adjust
aperture. If the maximum aperture of
the lens has been specified using the
Non-CPU lens data
item in setup menu
(
235) when a non-CPU lens is
attached, the current f-number will be
displayed in the viewfinder and control
panel, rounded to the nearest full stop.
Otherwise the aperture displays will show only the number of stops
(
F
, with maximum aperture displayed as
F
A
) and the f-number must
be read from the lens aperture ring.
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 the built-in flash and optional flash units
that support the Nikon Creative Lighting System (CLS;
433) will emit
a modeling flash when the
Pv
button is pressed. See page 353 for more
information.
Pv
button