The E (Exposure Compensation) Button - Nikon Z 6II Reference Manual

The E (Exposure Compensation) Button

Alter exposure from the value suggested by the camera.
Exposure compensation can be used to make pictures brighter
or darker.
−1 EV
•
Exposure compensation can be
adjusted by holding the E button and
rotating either command dial.
•
Higher values make the subject
brighter, lower values darker.
Camera Controls
18
No exposure
compensation
+1 EV