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111
Aperture-priority AE Mode (Av)
z
If the “30"” shutter speed blinks, it indicates underexposure.
Turn the <
6
> dial to set a larger aperture (lower f/number) until the
shutter speed blinking stops or set a higher ISO speed.
z
If the “1/4000” shutter speed blinks, it indicates overexposure.
Turn the <
6
> dial to set a smaller aperture (higher f/number) until the
shutter speed blinking stops or set a lower ISO speed.
Aperture Value Display
z
The higher the f/number, the smaller the aperture opening will be. The f/number
displayed varies depending on the lens. If no lens is attached to the camera,
“F00” will be displayed for the aperture.
Checking the Area in Focus
M
Press the button you have assigned to depth-of-eld preview (using [
8
:
C.Fn III-2: Customize buttons], (
=
537)) to stop down the lens to the
current aperture setting and check the area in focus (depth of eld).
z
The larger the aperture value, the wider the area in focus, from the foreground
to the background.
z
Exposure is locked (AE lock) as you hold down the button assigned to
depth-of-eld preview.
z
Pressing the button assigned to depth-of-eld previewing when a Speedlite
470EX-AI is attached with the <
X
> switch set to <
Z
> (full auto) starts AI.B
full-auto distance measurement.
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