Sony Cyber-shot RX10 III - Manual (Page 88)

Menu item details
Wide:
Focuses automatically on a subject in all ranges of the image.
When you press the shutter button halfway down in still image shooting mode, a green frame
is displayed around the area that is in focus.
Center:
Focuses automatically on a subject in the center of the image. When used together with the
AF lock function, you can compose the image you want.
Flexible Spot:
Allows you to move the focus range finder frame to the desired point on the screen and
focus on an extremely small subject in a narrow area.
On the Flexible Spot shooting screen, you can change the size of the focus range finder
frame by rotating the control wheel.
Expand Flexible Spot:
If the product fails to focus on the single selected point, it uses the focus points around the
flexible spot as the second priority area to achieve focus.
Lock-on AF:
When the shutter button is pressed and held halfway down, the product tracks the subject
within the selected autofocus area. Point the cursor to [Lock-on AF] on the [Focus Area]
setting screen, then select the desired tracking start area using the left/right sides of the
control wheel. You can move the tracking start area to a desired point by designating the
area to be the flexible spot or expand flexible spot.
Hint
When [Focus Area] is set to [Flexible Spot] or [Expand Flexible Spot], pressing the key to
which [Focus Standard] has been assigned allows you to shoot still images while
adjusting the position of the focus range finder frame by pressing the top/bottom/left/right
side of the control wheel. When you want to change the shooting settings using the
control wheel, press the in the center of the control wheel.
Note
When the mode dial is set to (Movie) or when shooting movies, you cannot select
[Lock-on AF] for [Focus Area].
When the mode dial is set to (Movie) and [Auto Dual Rec] is set to On, the [Focus
Area] is automatically switched to [Wide].
You can select [Lock-on AF] only when the focus mode is set to [Continuous AF].
A dotted square may appear around the whole screen in the clear image zoom, digital
zoom, or smart zoom range in order to focus using the entire frame.