Sony Ultra Wide Converter For SEL16F28 and SEL20F28 - Manual (Page 32)

3. Shooting: Adjusting the Focus 32
When Focus >Focus Area (page 77) in the
Shooting menu is set to Wide
You can only change the size of the focus area
by pressing and holding an assignable button
assigned with Focus Setting. The position can
be also be changed by first changing the type
to Flexible Spot or Zone.
[Tip]
When Focus >Push AF Mode (page 77) in the
Shooting menu is set to Single-shot AF(AF-S), you can
change the Focus Area(AF-S) (page 77) focus area
position.
Adjusting the Auto Focus Action (AF
transition speed, AF subject shift
sensitivity)
AF transition speed
You can set the speed of the focus drive for
when the subject changes using Focus >AF
Transition Speed (page 77) in the Shooting
menu.
When set to low speed, the focus moves
slowly when the subject to be focused
changes, enabling the shooting of impressive
images.
When set to high speed, the focus switches
between subjects quickly. The subject that
enters the frame is immediately focused,
making this setting ideal for documentary
shooting which requires quick focusing.
During the change:
1 (Slow): Focus operates slowly
.
.
.
7 (Fast): Focus operates rapidly
Focused on far subject
Focused on near subject
AF subject shift sensitivity
You can set the sensitivity for changing
between subjects using Focus >AF Subj. Shift
Sens. (page 77) in the Shooting menu.
When set to a low sensitivity, the focus does
not readily shift even if another subject moves
in front of the in-focus subject. When set to a
high sensitivity, the focus shifts to give priority
to the subject that moves in front.