Sony DSC-TX55 - Manual (Page 133)

finder frame.
Notes
When you use the following functions, the AF range finder frame is disabled and a dotted
line appears instead. In this case, the camera works to focus on the subjects at the center
of the screen.
Zoom functions other than optical zoom
AF illuminator
When the focus mode is set to other than [Multi AF], you cannot use the Face Detection
function.
If tracking focus is activated, the camera focuses with priority on the subject to be tracked.
You may not be able to set some MENU items depending on the selected REC mode. For
details, see “MENU items not available in some REC modes.”
[Details]
Quickly choosing the priority subject
Touching the screen displays a frame, and then pressing the shutter button halfway down
brings the frame into focus. Touch
to cancel the focus.
Focusing on subjects near the edge of the screen
If the subject is out of focus, do as follows:
1. Recompose the shot so that the subject is centered in the AF range finder (A), and press
the shutter button halfway to focus on the subject (AF lock).
2. When the AE/AF lock indicator (B) stops flashing and remains on, return to the fully
composed shot, and press the shutter button fully down.
As long as you do not press the shutter button fully down, you can retry the procedure as
many times as necessary.
Related Topic
Tracking focus
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