Af/Mf Control - Sony Alpha SLT-A99 Handbook

2
Press the shutter button halfway down to lock the focus.
3
Turn the focusing ring to fine-tune the focus while pressing the
shutter button halfway down.
Note
• Some SAM lenses are not compatible with the Direct manual focus function. Refer
to the operating instructions of your lens to find out if your lens is compatible with it.
The Direct manual focus function on the lens
When the lens is equipped with the Direct manual focus function and the
focus mode is set to [Single-shot AF] or [Automatic AF], you can finely
adjust the focus with the focusing ring after focus is lock (For example, the
DT 16-50mm F2.8 SSM).

AF/MF control

You can switch between auto focus and manual focus without changing the
camera composition (AF/MF control).
Press the AF/MF button.
In auto focus mode: The focus mode is
switched temporarily to the manual
focus. Press and hold the AF/MF button
and adjust the focus by rotating the
focusing ring.
In manual focus mode: The focus mode is
switched temporarily to the auto focus
and the focus is locked.
• You can maintain the selected mode without pressing and holding the AF/
MF button when [AF/MF button] is set in the
(page 176).
Adjusting the focus
Focusing ring
Custom menu
AF/MF button
105