Canon EOS-1D X Af Setting Manualbook page 34

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AF area selection mode [Zone AF]

Continuously focus on the nearest subject, using a large

For larger subjects or subjects that move over a larger area

The selected AF points display in [Zone AF].

Nine user-selectable locations for an active zone, in [Zone AF]

[Zone AF] forms a fixed cluster of AF points, in any of nine preset areas. The

active zone is always manually selected by the photographer and can be moved

at any time. [Zone AF] then focuses on the nearest subject in that zone.

Here's another AF Area setting that lets the

photographer work with a larger active group

of AF points. But unlike AF point expansion,

[Zone AF] always automatically chooses which

AF point(s) within a zone will be used and

With the fencer on

the right, facing the

camera, picking the

u p p e r- r i g h t Z o n e

gave a large AF Area

to follow that fencer.

T h e c a m e r a w i l l

a u t o m a t i c a l l y

c h a n g e w h i c h A F

point(s) are active in

o r d e r t o ke e p t h e

c l o s e s t p a r t o f a

subject in focus.

always focuses on the nearest subject (or part

of a subject) within the Zone.

This is more suited for situations when a

subject has no obstacles that may block the AF

points. And, it makes [Zone AF] a useful option