Sony SLT-A99V - Manual (Page 78)

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Selecting a shooting mode
Program Shift
You can temporarily change the shutter
speed and aperture value combination
with the correct exposure determined by
the camera maintained.
Rotate the front or rear control dial to
select your desired combination while the
focus is achieved.
The exposure mode indication changes to
“P*.”
Aperture Priority
This mode is suitable for
z Putting the subject in sharp focus and blur everything in front of and beyond the
subject. Opening the aperture narrows the range that is in focus. (Depth of field
becomes shallower.)
z Shooting the depth of the scenery. Narrowing down the aperture widens the
range that is in focus. (Depth of field becomes deeper.)
1
Set the mode dial to A.