Canon EOS-1D Mark IV - Manual (Page 97)

inZ] Selecting the AF Point
Select one of the 45 AF points to autofocus. Manual selection enables
you to select one of the 45 AF points. And automatic selection has
the camera automatically select one of the 45 AF points.
Press the button. ((56)
► The current AF point will be displayed
in the viewfinder.
1
^ Select the AF point.
• Use or turn the <£S> or <0>
dial.
Automatic selection; AF
Manual selection : SEL [] (Center)
SEL AF (Off center)
^ When the EF 70-200mm f/2.8L USM is used with an Extender, use the
center AF point only. The other AF points may cause a focusing error.
0 When switching to a vertical AF point, two AF points might light up. In such a
case, shooting will proceed with the two AF points automatically selected.
With two AF points selected, when you switch to a left or right AF point, only
one AF point will be selected.
Selecting with the Multi-controller
The AF point selection will change in
the direction you tilt the
Pressing straight down selects
the center AF point. Pressing it
straight down again sets it to
automatic AF point selection.
If all the peripheral AF points light up,
automatic AF point selection will take
effect.
97