Pre-af (still image) [71, Af/mf control [72, Pre-af (still image) – Sony Cyber-shot DSC-RX100 IV User Manual
Page 91: Af/mf control

Sets the color used for the peaking function in Manual Focus or Direct Manual Focus
shooting. The setting applies to both still images and movies.
1. MENU
→
(Custom Settings
) → [Peaking Color] → desired setting.
Menu item details
Red:
Enhances outlines in red.
Yellow:
Enhances outlines in yellow.
White:
Enhances outlines in white.
[71] How to Use
Using shooting functions
Adjusting the focus
Pre-AF (still image)
The product automatically adjusts focus before you press the shutter button halfway down.
1. MENU
→
(Custom Settings
) → [
Pre-AF]
→ desired setting.
Menu item details
On:
Adjusts focus before you press the shutter button halfway down.
Off:
Does not adjust focus before you press the shutter button halfway down.
[72] How to Use
Using shooting functions
Adjusting the focus
AF/MF control
You can easily switch the focusing mode from auto to manual and vice versa while shooting
without changing your holding position. The setting applies to both still images and movies.
1.
MENU →
(Custom Settings
) → [Custom Key Settings] → button to be assigned →
[AF/MF Control Hold] or [AF/MF Ctrl Toggle].