ALens Types
When using a CPU lens equipped with an aperture ring (0 422), 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 (0 229), select exposure mode g (aperture-priority auto) or h(manual). In other modes, exposure mode gis automatically selected when a non-CPU lens is attached (0 419, 424). The exposure mode indicator (eor f) will flash in the control panel and A will be displayed in the viewfinder.
ADepth-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 eand f) or the value chosen by the user (modes gand h), allowing depth of field to be previewed in the viewfinder.
Pv button
ACustom Setting e5—Modeling Flash
This setting controls whether the built-in flash and optional flash units that support the Nikon Creative Lighting System (CLS; 0 428) will emit a modeling flash when the Pv button is pressed. See page 338 for more information.