Nikon 1797 Digital Camera User Manual


 
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Lightly press shutter release button to start autofocus operation.
When the subject is in focus, the camera’s autofocus motor (or
the built-in motor of an AF-S or AF-I Nikkor lens) stops driving
the autofocus lens and / appears in the viewfinder. Unless you
remove your finger from the shutter release button, the motor
will start driving the lens again to obtain an in-focus picture if the
focus distance changes.
Continuous Servo AF with Release-Priority
Set focus mode to C for Continuous Servo AF.
In Continuous Servo autofocus mode, as you lightly press the
shutter release button, focus detection begins and the lens
continues to focus for as long as you keep the shutter release
button lightly pressed. Since the priority is on shutter release,
you can fully depress the shutter release button regardless of
focus status. Whenever the subject distance changes due to
recomposition or movement of the subject in Continuous Servo
AF mode, the F5 will refocus on the subject at the new distance.
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