Canon EOS-1D X Mark III DSLR Camera (Body Only) - Manual (Page 389)

Movie recording
These descriptions apply to menus only available in movie recording.
[ 1]
Movie Servo AF
With this function enabled, the camera focuses on the subject continuously during movie
recording.
[Enable]
• The camera focuses on the subject continuously even when you are not pressing
the shutter button halfway.
• To keep the focus at a specific position, or if you prefer not to record mechanical
sounds from the lens, you can temporarily stop Movie Servo AF by tapping [ ] in
the lower left of the screen.
• Movie Servo AF stops when you press the button assigned to [ Pause Movie Servo
AF ] ( ) in [ 6 : Custom Controls ]. Movie Servo AF resumes when you press the
button again.
• Movie Servo AF stops while you hold down the button assigned to [ AF stop ] ( ).
Movie Servo AF resumes when you release the button.
• When Movie Servo AF is paused, if you return to movie recording after operations
such as pressing the < > or < > button or changing the AF method,
Movie Servo AF will resume.
[Disable]
Press the shutter button halfway or press the < > button to focus.
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