Three settings are selectable during the movie recording as shown below: Cont. AF: The single-shot AF is operated in advance of recording, and AF is always operated during recording.Single AF: The single-shot AF is operated in advance of recording, and the focus position is fixed during recording.*This mode is useful for shooting a low contrast and hard-to-be-focused subject, such as fireworks.Manual: The focus point is to be set manually in advance of recording, and its position is fixed during recording.*Manual focus is useful when it is difficult to focus automatically.