Sony A7RIII ILCE-7RM3A Operating Instructions Manual page 198

Help Guide
Interchangeable Lens Digital Camera
ILCE-7RM3A
α7RIII
AF Illuminator (still image)
The AF illuminator supplies fill light to focus more easily on a subject in dark surroundings. In the time between pressing
the shutter button halfway down and locking the focus, the red AF illuminator lights up to allow the camera to focus
easily.
MENU → (Camera Settings1) → [
1
Menu item details
Auto:
The AF illuminator lights up automatically in dark surroundings.
Off:
Does not use the AF illuminator.
Note
You cannot use [ AF Illuminator] in the following situations:
When the shooting mode is [Movie] or [S&Q Motion].
When [ Focus Mode] is set to [Continuous AF] or [Automatic AF] and the subject is moving (when the focus indicator
lights up).
When [Focus Magnifier] is activated.
When a Mount Adaptor is attached.
If the Multi Interface Shoe is equipped with a flash with an AF illuminator function, when the flash is turned on, the AF illuminator
will turn on as well.
The AF illuminator emits a very bright light. Although there is no health hazard, do not look directly into the AF illuminator at close
range.
AF Illuminator] → desired setting.
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