Af-Area Mode - FujiFilm FinePix S5 Pro Owner's Manual

Z The AF-ON button
For the purpose of focusing the
camera, pressing AF-ON has the
same effect as pressing the shutter
button halfway.
Z Predictive focus tracking
In continuous-servo AF, the camera will automatically
initiate predictive focus tracking if the subject moves while
the shutter button is pressed halfway or AF-ON is
pressed. In predictive focus tracking, the camera will track
focus while attempting to predict where the subject will be
when the shutter is released.

AF-area mode

AF-area mode determines how the focus area is selected
in autofocus mode.
Use the AF-area mode selector to select the AF-area
mode.
Single-area AF
User selects focus area using multi-selector; camera
focuses on subject in selected focus area only. Use for
relatively static compositions with subjects that will stay in
selected focus area.
Dynamic-area AF
User selects focus area manually, but camera uses
information from multiple focus areas to determine focus.
If subject leaves selected focus area even briefly, camera
will focus based on information from other focus areas
(focus area selected in viewfinder does not change). Use
with continuous-servo AF to follow erratically moving
subjects and in other situations in which it is difficult to
keep subject in selected focus area.
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