Sony ILCE-7C Help Manual page 97

The [Eye AF] function may not function properly under certain conditions, such as in the following situations.
When the person is wearing sunglasses.
When the front hair covers the person's eyes.
In low-light or back-lit conditions.
When the eyes are closed.
When the subject is in the shade.
When the subject is out of focus.
When the subject is moving too much.
If the subject is moving too much, the detection frame may not be displayed correctly over their eyes.
When the camera cannot focus on human eyes, it will detect and focus on the face instead. The camera cannot focus on eyes
when no human faces are detected.
The product may not detect faces at all or may accidentally detect other objects as faces in some conditions.
The eye detection frame is not displayed when the Eye AF function is unavailable.
You cannot use the face/eye detection function with the following functions:
Zoom functions other than the optical zoom.
[Posterization] under [Picture Effect]
Focus Magnifier
Movie shooting with [
When [ Frame Rate] is set to [120fps]/[100fps] during slow-motion/quick-motion shooting.
When [ File Format] is set to [XAVC S 4K], [
and [ 4K Output Select] is set to [Memory Card+HDMI].
When [ File Format] is set to [XAVC S 4K] and [
Even if [Face/Eye Frame Display] or [Animal Eye Display] is set to [Off], a green focusing frame will be displayed over faces or
eyes that are in focus.
When the shooting mode is set to [Intelligent Auto], [Face/Eye Priority in AF] is locked to [On].
To detect animal eyes, arrange the composition so that both eyes and the nose of the animal are within the angle of view. Once
you focus on the animal's face, the animal's eyes will be detected more easily.
Even when [Subject Detection] is set to [Animal], the eyes of some types of animals cannot be detected.
Related Topic
Focus Mode
Focus Area
AF Area Auto Clear
Assigning frequently used functions to buttons (Custom Key)
Tracking subject (Tracking function)
Record Setting] set to [120p]/[100p]
Record Setting] is set to [30p 100M]/[25p 100M] or [30p 60M]/[25p 60M],
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Proxy Recording] is set to [On]
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