Sony DSC-RX100M3 - Switching between the Viewfinder and the Screen

To change the display modes, press MENU → (Custom Settings) → [DISP Button] and
change the setting.
Note
Histogram is not displayed during panorama shooting.
In movie mode, [For viewfinder] cannot be displayed.
Hint
You can select different settings for both the viewfinder and the monitor. Look through the
viewfinder to set the display settings for the viewfinder.
[47] How to Use
Using shooting functions Selecting a screen display mode
Switching between the viewfinder and the screen
The displays of the viewfinder and screen differ depending on the viewfinder's condition and
the [FINDER/MONITOR] setting.
When the viewfinder is closed
The image is displayed only on the screen regardless of the [FINDER/MONITOR] setting.
When you look into the viewfinder
The image is displayed only in the viewfinder regardless of the [FINDER/MONITOR] setting.
When you are not looking into the viewfinder