131Recording MoviesMovie Recording and PlaybackC Movie Options and Maximum Movie LengthAll figures are approximate. The maximum movie length may vary by make of memory card ormovie bit rate.1 When the internal memory is used, N HD 720p (1280×720) cannot be selected.2 The maximum movie length for a single movie is 29 minutes. The maximum movie lengthdisplayed during recording is 29 minutes, even when there is enough free space on the memorycard for a longer movie.D More InformationSee “File and Folder Names” (A 178) for more information.n Movie AF ModeChoose how the camera focuses with recording movies.Option Internal memory(approx. 20 MB)Memory card2(4 GB)N HD 720p (1280×720) – 1 55 miny VGA (640×480) 29 s 2 h 45 minIn the shooting screen M Tap the bottom tab (A 14) M n Movie AF modeOption DescriptionA Single AF(default setting)Focus is locked when the b (e movie-record) button is pressedto start recording.Select this option when the distance between the camera andthe subject will remain fairly consistent.B Full-time AFCamera focuses continuously during movie recording.Select this option when the distance between the camera andthe subject will change.To prevent the sound of the camera focusing from interferingwith recording, use of Single AF is recommended.