Autofocus | Autofocus Operation |
The F4 provides two autofocus modes - Single Servo Autofocus (S) and Continuous Servo Autofocus (C).
Single Servo Autofocus (S)
In Single Servo Autofocus mode (S) , the shutter cannot be re- leased until the subject is in focus; once the subject is in focus, the focus stays locked for as long as the shutter release button is lightly pressed.
Continuous Servo Autofocus (C)
The camera continues focusing for as long as you keep the shutter release button lightly pressed. The shutter release but- ton can be fully depressed anytime, regardless of focus status, except when film advance mode selector is set to CL.
1.Set focus mode selector to either S or C.
11 the lens in use has an
2.Position viewfinder focus brackets on main subject.
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