Sony a7R III, Help Manual

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Help Guide
Interchangeable Lens Digital Camera
ILCE-7RM3A
α7RIII
Center Lock-on AF
When you press the center of the control wheel, the camera detects the subject positioned in the center of the screen
and continues to track the subject.
Hint
If you assign the [Focus Standard] function to the key of your choice, you can activate [Center Lock-on AF] or detect a subject
again by pressing the key when [Focus Area] is set to [Wide] or [Center].
You can select the subject to be tracked by touch operation when shooting using the monitor. Set [Touch Operation] to [On], and
select [Touch Panel+Pad] or [Touch Panel Only] under [Touch Panel/Pad].
Note
The [Center Lock-on AF] function may not function very well 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.
It is dark.
The ambient light changes.
Lock-on AF does not work in the following situations:
When shooting in Manual Focus mode.
When using the digital zoom
When shooting movies with [
Record Setting] set to [120p]/[100p]
When shooting slow/quick motion movies with [ Frame Rate] set to [120fps]/[100fps].
When [Subject Detection] under [Face/Eye AF Set.] is set to [Animal]
Related Topic
MENU → (Camera Settings1) → [Center Lock-on AF] → [On].
1
Align the target frame (A) over the subject and press the center of the control wheel.
Press the center again to stop tracking.
2
Press the shutter button fully down to shoot the image.
3
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