Sony ILCE-1 Help Manual page 281

The Smart Zoom, Clear Image Zoom and Digital Zoom functions are not available when shooting in the following situations:
[ File Format] is set to [RAW] or [RAW & JPEG]/[RAW & HEIF].
[ File Format] is set to [XAVC HS 8K]
[Rec Frame Rate] is set to [120p]/[100p].
During slow-motion/quick-motion shooting with the [
You cannot use the Smart Zoom function with movies.
When you use a zoom function other than the optical zoom, the [
shown by the dotted line. The AF operates with priority on and around the center area.
When you use the Smart Zoom, Clear Image Zoom or Digital Zoom function, [
When using the Smart Zoom, Clear Image Zoom or Digital Zoom function, the following functions are not available:
Face/Eye Prior. in AF
Face Priority in Multi Metering
Tracking function
To use another zoom function than the optical zoom for movies, assign [Zoom] to the desired key using [
Setting].
Related Topic
Clear Image Zoom/Digital Zoom (Zoom)
Zoom Range (still image/movie)
About zoom scale
Frame Rate] set to [240fps]/[200fps] or [120fps]/[100fps]
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Focus Area] setting is disabled and the focusing frame is
Metering Mode] is locked to [Multi].
Custom Key