Canon EOS-1DX Af Setting Manualbook page 14

Equipped with AI Servo AF III, the EOS-1D X has
improved flexibility in handling a variety of moving
subjects, and superior prediction of movement for more
accurate focusing. Even with a variety of difficult
elements such as extremely fast movement, sudden
changes in speed, and interruptions by obstacles, AI
Servo AF III overcomes these and is able to capture the
subject.
Case 1 is the recommend setting to start shooting with,
Case 1 will provide great results when shooting a variety
of sports and moving subjects. When more specific
settings for individual cases are desired, please try Case 2
– Case 6 to match shooting conditions.
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