Canon EOS-1D X Mark II DSLR Camera (Body Only) - Manual (Page 331)

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3 Menu Function Settings
z 4
When the Live View shooting/Movie
shooting switch is set to <
k >, the [ z 4 ]
and [ z 5 ] tabs dedicated to movie
shooting will be displayed.
Movie Servo AF
With this function enabled, the camera focuses on the subject
continuously during movie shooting. The default setting is [
Enable ].
When [Enable] is set:
The camera focuses the subject continuously even when you are
not pressing the shutter button halfway.
If you want to keep the focus at a specific point or if you do not
want the lens mechanical sound to be recorded, you can
temporarily stop Movie Servo AF as follows.
• Tap on the [
] icon on the lower left of the screen.
• Under [ 8 6: Custom controls ], if a button is assigned to
[ Pause Movie Servo AF ] (p.454), you can pause Movie Servo
AF while holding down that button. When you press the button
again, Movie Servo AF will resume.
• If a button is assigned to [ AF stop ] (p.451), Movie Servo AF will
stop while holding down that button. When you let go of the
button, Movie Servo AF will resume.
While Movie Servo AF is paused, if you return to movie shooting
after operations such as pressing the < M > or < x > button,
changing the AF method, etc., Movie Servo AF will resume.
When [Disable] is set:
Press the shutter button halfway or press the < p > button to
focus.