Sony Alpha 7R IV Operating Instructions Manual page 270

Help Guide
Interchangeable Lens Digital Camera
ILCE-7RM4A
α7RIV
Exposure step
You can adjust the setting increment for the shutter speed, aperture, and exposure compensation values.
MENU → (Camera Settings1) → [Exposure step] → desired setting.
1
Menu item details
0.3EV / 0.5EV
Note
Even if you set [Exposure step] to [0.5EV], the exposure value adjusted using the exposure compensation dial changes in steps
of 0.3EV.
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