1) flash with aperture-priority ae – Canon 380EX User Manual
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II. Speedlite 380EX with Type-A Cameras
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(1) Flash with Aperture-Priority AE
When you want to control the depth of field or when you want the
background correctly exposed, use aperture-priority AE. You set the
aperture and the camera sets the shutter speed automatically to suit the
background’s light level. The E-TTL auto flash system controls the flash
output according to the aperture you set.
1
Set the camera to
Av
(aperture-
priority AE) and set the desired
aperture.
2
3
4
Check that the FP flash switch is
set to the green dot.
Press the shutter button halfway to
focus the subject.
Check that nothing is blinking in the
viewfinder and press the shutter
button completely to take the
picture.
I '
II
In low-light conditions, a slow sync speed is set automatically. A tripod is
recommended for siow sync speeds.
1^ If the maximum sync speed blinks, the background will be overexposed. If the 30"
L|J sync speed blinks, the background will be underexposed. Change the aperture
setting until the sync speed stops blinking and stays on.
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