Sony ILCA-77M2 - Manual (Page 90)

Hint
If you select the [AEL toggle] function in [Custom Key Settings], you can lock the exposure without
holding down the AEL button.
[98] How to Use Using shooting functions Adjusting the exposure
AEL w/ shutter (still image)
Sets whether to fix the exposure when you press the shutter button halfway down.
1. MENU
→
(Custom Settings
) → [
AEL w/ shutter]
→ desired setting.
Menu item details
Auto (default setting):
Fixes the exposure after adjusting the focus automatically when you press the shutter button halfway
down when focus mode is set to S (Single-shot AF).
When focus mode is set to A (Automatic AF), and the product determines that the subject is moving, or
you shoot burst images, the fixed exposure is cancelled.
On:
Fixes the exposure when you press the shutter button halfway down.
Off:
Does not fix the exposure when you press the shutter button halfway down. Use this mode when you
want to adjust focus and exposure separately.
The product keeps adjusting the exposure while shooting in [Cont. Shooting] mode.
Note
Operation using the AEL button is prioritized over the [ AEL w/ shutter] settings.
[99] How to Use Using shooting functions Adjusting the exposure
Exp.comp.set
Sets whether to apply the exposure compensation value to control both flash light and ambient light, or
just ambient light.
1. MENU
→
(Custom Settings)
→ [Exp.comp.set] → desired setting.
Menu item details
Ambient&flash (default setting):