Nikon F4 Body Only, F4S instruction manual Focus Tracking

Focus Tracking

When shooting a moving subject, with the focus mode set to Continuous Servo Autofocus and the film advance mode to Low-Speed Continuous (Cl), Focus Tracking is automatically activated to ensure focused images. In Focus Tracking, the camera analyzes the speed of the moving subject according to focus detection data, and drives the autofocus lens by anticipating the position of the subject at the exact moment of exposure.

1. Set focus mode selector to C, and film advance mode to Cl.

2. Position viewfinder focus brackets on subject.

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