Canon Speedlite 320EX Instruction Manual - Page 16

Aperture Priority AE, Manual Exposure - flash manual

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f: Aperture Priority AE Select this mode when you want to set the aperture manually. The camera will then automatically set the shutter speed matching the aperture to obtain a standard exposure. If the background is dark, such as in a night scene, a slow sync speed will be used to obtain a standard exposure of both the main subject and background. Standard exposure of the main subject is obtained with the flash, while a standard exposure of the background is obtained with a slow shutter speed. If the shutter speed display blinks, it means that the background exposure will be underexposed or overexposed. Adjust the aperture until the shutter speed display stops blinking. a: Manual Exposure Select this mode if you want to set both the shutter speed and aperture manually. Standard exposure of the main subject is obtained with the flash. The exposure of the background is obtained with the shutter speed and aperture combination you set. 14

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14
Select this mode when you want to set
the aperture manually.
The camera will then automatically set
the shutter speed matching the aperture
to obtain a standard exposure.
If the background is dark, such as in a
night scene, a slow sync speed will be
used to obtain a standard exposure of
both the main subject and background.
Standard exposure of the main subject is
obtained with the flash, while a standard
exposure of the background is obtained
with a slow shutter speed.
If the shutter speed display blinks, it means that the background exposure will
be underexposed or overexposed. Adjust the aperture until the shutter speed
display stops blinking.
Select this mode if you want to set both
the shutter speed and aperture manually.
Standard exposure of the main subject is
obtained with the flash. The exposure of
the background is obtained with the
shutter speed and aperture combination
you set.
f
: Aperture Priority AE
a
: Manual Exposure