zWhen priority is on movie length rather than image quality, select 
. You can shoot for twice as long in this mode compared to a file of the same size shot in the other modes.
zSee Image Data Sizes (Estimated) (p. 188).
zSee Memory Cards and Estimated Capacities (p. 186).
Shooting Still Images while Shooting a Movie
Shooting Mode 
You can shoot a high quality still image* while shooting a movie.
*The recording pixels and compression are the same as those set for still images (excluding 
).
1 While shooting a movie, press the shutter button halfway to focus.
zPress the shutter halfway so the camera can focus and set exposure for the still image. The electronic sound does not play. During this process, movie shooting continues.
2 Press the shutter button all the way to shoot the image.
zWhen a still image is shot, the display on the LCD monitor will disappear momentarily and then return to the movie display. Because the shutter sound of the still image being taken is also recorded, the audio of that moment in the movie will sound cut off.
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