Canon EOS 5D Mark III Instruction Manual (en)

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101
3
 Customizing AF FunctionsN
: 15 points
Fifteen major AF points will be manually selectable.
: 9 points
Nine major AF points will be manually selectable.
You can limit the selectable AF area selection modes to suit your 
shooting preferences. Turn the <5> dial to select a selection mode, 
then press <
0> to append a <X> checkmark. Then select [OK] to 
register the setting.
: Manual select.:Spot AF
For pinpoint focusing with a narrower AF 
point than single-point AF.
: Manual selection:1 pt AF
One of the AF points set by [Selectable 
AF point
] setting can be selected.
: Expand AF area:
The camera will focus with the manually-selected AF point and the 
adjacent AF points (above, below, left and right).
: Expand AF area:Surround
The camera will focus with the manually-selected AF point and the 
surrounding AF points.
Select AF area selection mode
With a lens from groups F to H (p.83-85), the number of manually selectable 
AF points will be fewer.
 
Even with settings other than [61 points], AF point expansion (Manual 
selection  ), AF point expansion (Manual selection, surrounding points), 
and Zone AF (manual selection of Zone) are still possible. 
 
When you press the <S> button, the AF points that are not manually 
selectable will not be displayed.