Sony ILCE-1 Help Manual page 182

Help Guide
Interchangeable Lens Digital Camera
ILCE-1
α1
Exposure step (still image/movie)
You can adjust the setting increment for the shutter speed, aperture, and exposure compensation values.
MENU → (Exposure/Color) → [Exposure Comp.] → [
1
Menu item details
0.5EV / 0.3EV
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.
Related Topic
Exposure Comp. (still image/movie)
5-025-537-14(1) Copyright 2021 Sony Corporation
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Exposure step] → desired setting.