EOS 1D X Instruction Manual

2: Selecting the AF Mode

This AF mode is suited for moving

subjects when the focusing distance

keeps changing. While you hold down

the shutter button halfway, the

subject will be focused continuously.

The exposure is set at the moment

the picture is taken.

AF is also possible by pressing the

<p> button.

Focus Tracking with AI Servo AF

If the subject approaches or moves away from the camera at a constant

rate, the camera tracks the subject and predicts the focusing distance

immediately before the picture is taken. This is for obtaining correct

focus at the moment of exposure.

When the AF area selection mode is set to 61-point automatic selection (p.69),

the camera first uses the manually-selected AF point to focus. During

autofocusing, if the subject moves away from the manually-selected AF point,

focus tracking continues as long as the subject is covered by the Area AF frame.

When you press the shutter button

halfway and the camera is focusing with

AF, the <i> icon will appear on the

lower right of the viewfinder.

In the One-Shot AF mode, the icon also

appears after focus is achieved when

you press the shutter button halfway.

AI Servo AF for Moving Subjects

AF Status Indicator

With AI Servo AF, the beeper will not sound even when focus is achieved.

Also, the focus confirmation light

<o> in the viewfinder will not light up.

The AF status indicator can be displayed outside the viewfinder’s image

area (p.103).

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