Sony NEX-F3 Instruction Manual page 162

DMF (Direct Manual Focus)
1 MENU t [Camera] t [AF/MF Select] t [DMF].
2 Press the shutter button halfway down to focus automatically.
3 Keep the shutter button halfway down, rotate the focusing ring of the lens
to achieve a sharp focus.
Note
• [Autofocus Mode] is fixed to [Single-shot AF].
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