You select the focus area. The camera focuses on the subject in the selected focus
area when the shutter-release button is pressed halfway; as long as the shutter-release
button is kept in this position, the camera will continue to track the subject as
it moves through the frame.
01. AF-area mode can be selected by pressing the AF-mode button and rotating the subcommand
dial until the desired setting is displayed in the viewfinder and control panel.
1: AF-mode button
View information on functions related to AF-Area Mode (Viewfinder Photography): 3D-Tracking.