Sony ILCA-77M2 - Manual (Page 82)

If you perform [AF Micro Adj.] with lenses other than Sony, Minolta, or Konica-Minolta lenses, the
registered settings for Sony, Minolta, or Konica-Minolta lenses may be affected. Do not perform [AF
Micro Adj.] with an unsupported lens.
You cannot set [AF Micro Adj.] individually for a Sony, Minolta, and Konica-Minolta lens of the same
specification.
[84] How to Use Using shooting functions Adjusting the focus
AF w/ shutter (still image)
Selects whether to focus automatically when you press the shutter button halfway down. Select [Off] to
adjust the focus and the exposure separately.
1. MENU
→ (Custom Settings) → [
AF w/ shutter]
→ desired setting.
Menu item details
On (default setting):
The auto focus operates when you press the shutter button halfway down.
Off:
The auto focus does not operate even if you press the shutter button halfway down.
Hint
When [ AF w/ shutter] is set to [Off], you can still use the [AF On] function.
[85] How to Use Using shooting functions Adjusting the focus
AF On
You can focus using any button instead of pressing the shutter button halfway down. The settings for the
focus mode dial will be applied.
1. Select the desired key and assign the [AF On] function to it using MENU
→
(Custom Settings)
→ [Custom Key Settings].
2. Press the key to which you have assigned the [AF On] function while auto-focus shooting.
[86] How to Use Using shooting functions Adjusting the focus