Sony DSC-RX100M3 User Giude page 69

You can make fine adjustments manually after the focus is locked.
You can quickly focus on a subject rather than using the manual focus from the beginning. This is
convenient in cases such as macro shooting.
1. MENU → (Camera Settings) → [Focus Mode] → [DMF].
2. Press the shutter button halfway down to focus automatically.
3. Keep the shutter button halfway down, rotate the control ring to achieve a sharper focus.
When you rotate the control ring, the focus distance is displayed on the screen.
4. Press the shutter button fully down to shoot an image.
[61] How to Use
MF Assist (still image)
Enlarges the image on the screen automatically to make manual focusing easier. This works in Manual
Focus or Direct Manual Focus shooting.
1. MENU → (Custom Settings) → [
2. Turn the control ring to adjust the focus.
The image is enlarged. You can magnify images further by pressing
wheel.
Note
You cannot use [
Hint
You can set the time to display the enlarged image by selecting MENU →
Using shooting functions
MF Assist] when shooting movies.
Adjusting the focus
MF Assist] → [On].
on the center of the control
(Custom Settings) →