Canon EOS1DBODY 用户手册

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页码 420
S
 Selecting the AF Area
70
AF point expansion (Manual 
selection, surrounding points)
The manually-selected AF point <S> 
and the surrounding AF points <w> are 
used to focus.
Zone AF (Manual selection of 
zone)
The 61 AF points are divided into nine 
zones for focusing.
61-point automatic selection AF
All the AF points are used to focus.
Select the AF area selection 
mode.
 
Press the <S> button.
 
Look through the viewfinder and 
press the <B> button.
X
Press the <B> button to switch 
the AF area selection mode.
Select the AF Area Selection Mode
 
With [24: Select AF area selec. mode], you can limit the selectable 
AF area selection modes (p.97).
 
If you set [24: AF area selection method] to [
Main Dial], you can 
select the AF area selection mode by pressing the <S> button, then 
turning the <6> dial (p.98).
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