Sony Alpha SLT-A99 Handbook page 97

To change the mode
Fn button t
(On)
(Off)
Notes
• Tracking may be difficult in the following situations:
– The subject is moving too quickly.
– The subject is too small, or too large.
– The contrast between the subject and the background is poor.
– The subject is under dark lighting.
– The ambient light changes.
• The Object Tracking function cannot be used when the exposure mode is set to
Sweep Panorama, Tele-zoom Continuous Priority AE or [Hand-held Twilight] in
Scene Selection, or smart teleconverter is used, the manual focus function is
selected.
• The camera stops tracking a subject when the subject moves off of the screen.
• [On(Tracking focus w/ shutter)] can be set only when [Focus Mode] is set to
[Continuous AF] or [Depth Map Assist Continuous AF].
• If you start the Object Tracking function, the AF area is set to [Wide] automatically.
To preferentially-track the face
You can select whether to preferentially-track a certain face or not when the
camera detects that face during object tracking.
MENU button t
When the face is not visible on the screen, the camera tracks the body, and
when the face is visible, the camera tracks the face. If the targeted person
disappears from the screen while the camera is tracking, and then returns to
the screen, the camera focuses on that face again.
• If the camera tracks a face using the Object Tracking function with Smile
Shutter turned on, the face becomes the target of the smile detection
feature.
(Object Tracking) t [On] or [Off].
Press the center of the multi-selector on the recording
information display so that a target frame appears. Align the
target frame with the subject to be tracked, and press the
center of the multi-selector.The camera starts tracking the
subject.
When the focus is achieved, the target frame turns to green.
To cancel the tracking feature, press the center again.
Deactivates the Object Tracking function.
6 t [Face Priority Tracking] t [On]
Adjusting the focus
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