Canon EOS-1D X Af Setting Manualbook page 52

Assigning functions to the
New!
Enhanced "back-button AF"
Firmware
Another way to instantly change AF operation with a push of a button
Both the AF-ON and AE Lock buttons can be reconfigured for more than just
1
"back-button AF." Three different AF features can now be linked to either button.
In [Custom Controls] ([C.Fn5 menu]), select either the <
icon and then press the camera's INFO button to access the Detail settings screen. Now, select any (or all) three AF
settings: whether AF jumps to a memorized AF point; Case 1-Case 6 for AI Servo AF; and instant switch to One-
Shot or AI Servo AF operation.
AF ON button AE lock button
Example:
Switch AI Servo AF characteristics
with the button and
• A wedding shooter can instantly
change to AI Servo AF, for the
brid e coming dow n aisle, by
pressing one of the back buttons
• A w ildlife photo grapher c an
c h a n g e A I S e r v o A F t o
accommodate obstacles when
tracking a moving subject
• A baseball shooter can switch
over to the 14fps super high-
speed drive mode for shots of
batters without AI Servo AF
52 52
button
Press the INFO
button when
the button
customization
button is in
Set up two "back buttons" with different AF characteristics. Then
change instantly during shooting, by just pressing a different button
Assign [Case1] to
button
When usually using the
[Case2] to shoot when there are many obstacles
> or < > buttons. Highlight [AF/Metering start]
button [Case1] to shoot, use the
In detailed
settings, the
following four
parameters can be
set: [AF start
point], [AI Servo AF
characteristics], [AF
mode] and [Super
high-speed
continuous
shooting mode]
Assign [Case2] to
button