Panasonic Lumix G100 Mirrorless Camera with 12-32mm Lens - Manual (Page 208)

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8. Brightness (Exposure)/Coloring/Picture effect
Exposure Compensation
You can compensate the exposure when the correct exposure determined
by the camera is too bright or too dark.
You can adjust the exposure in 1/3 EV steps in a range of ±5 EV.
When recording videos or recording with 4K photo or Post-Focus, the
range changes to ±3 EV.
1
Press [ ].
2
Compensate the exposure.
●
Rotate or .
3
Confirm your selection.
●
Press the shutter button halfway.