Sets the green zoom rectangle for all SmartFocus generated keyframes to the same aspect ratio as the dimensions selected in the Project Settings dialog box.The Show zoom rectangles in Preview Window option determines the display of Zoom-n-Pan keyframes in the Preview Window.
Enabled: The Preview Window shows the green rectangle within the context of the entire video. This view allows you to see the portions of the video outside of the green rectangle to ensure the zoom contains the desired content.
Disabled (default): The Preview Window shows the Zoom-n-Pan keyframe as it will appear in the final video.Determines the default duration for Zoom-n-Pan keyframes added to the Timeline. You can change the duration for individual keyframes in the Zoom-n-Pan Properties pane.