Main command dial
g: Aperture-Priority Auto

In aperture-priority auto, you choose the aperture while the camera automatically selects the shutter speed that will produce the optimal exposure. To take photographs in aperture-priority auto:

1 Select exposure

Ibutton

mode g.

 

Press the Ibutton and rotate the main command dial until gis displayed in the viewfinder and control panel.

2 Choose an aperture.

Z

Rotate the sub-

 

command dial to

 

choose the desired

 

aperture from values

 

between the minimum

Sub-command dial

and maximum for the

 

lens. Small apertures (high f-numbers) increase depth of field (see page 103), bringing both foreground and background into focus. Large apertures (low f-numbers) soften background details in portraits or other compositions that emphasize the main subject.

Small aperture (f/36)

Large aperture (f/2.8)

107