Sony DSLR-A200K - Manual (Page 70)

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• Use (Single-shot AF) when the subject is motionless.
• Use (Continuous AF) when the subject is in motion.
Fn button t [AF area] t Select the desired setting
(Automatic AF) When you press and hold the shutter button, if the subject is
motionless, the focus is locked and if the subject is in motion,
the camera continues to focus.
(Continuous
AF)
The camera continues to focus while the shutter button is
pressed and held halfway down.
• The audio signals will not sound when the subject is in
focus.
Shooting techniques
Selecting the focus area (AF area)
Select the desired AF are to suit the
shooting conditions or your preference.
The area used for focusing is illuminated
briefly.
Area
(Wide) The camera determines which of the nine AF areas is used in
focusing within the AF area. If you press and hold the center
of the controller, you can adjust the focus using the spot AF
area.
(Spot) The camera uses the spot AF area exclusively.
(Local) Choose the area for which you want to activate the focus
from among nine areas with the controller during the
shooting. To select the spot AF area, press the center of the
controller.
AF area