fAperture-Priority AE

In this mode, you set the desired aperture and the camera sets the shutter speed automatically to suit the subject brightness. This is called aperture-priority AE. A larger aperture opening (smaller f/number) will result in a blurred background ideal for portraits. This occurs because a lower f/number decreases the depth of field (range of acceptable focus). On the other hand, a smaller aperture opening (larger f/number) will make more of the foreground and background fall within acceptable focus. A smaller aperture opening increases the depth of field.

* <f> stands for Aperture value.

With a large aperture opening

With a small aperture opening

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Set the Mode Dial to <f>.

Set the desired aperture value.

While looking at the LCD panel, turn the <6> dial.

It can be set in 1/3-stop increments.

Focus the subject.

Press the shutter button halfway.

XThe shutter speed is set automatically.

4 Checkshoot. the viewfinder display and

As long as the shutter speed is not blinking, the exposure will be correct.

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Canon EOS 5D instruction manual FAperture-Priority AE, Set the Mode Dial to f Set the desired aperture value