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 g is displayed in the viewfinder and control panel.

2 Choose an aperture.

Z

While the exposure

 

meters are active,

 

rotate the sub-

 

command dial to

 

choose aperture from

Sub-command dial

values between the

 

minimum and maximum for the lens. Small apertures (high f- numbers) increase depth of field (pg. 115), 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/32)

Large aperture (f/2.8)

119