Canon 1dx Owners Manual

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With the [22] to [ 25] menu tabs, you 
can set AF functions to suit your 
shooting style or subject.
You can set the AF operation characte ristics and shutter-release timing 
for the first shot during continuous shooting with AI Servo AF.
: Equal priority
Equal priority is given to focusing and 
shutter release.
: Release priority
Pressing the shutter button takes the 
picture immediately even if focus has not 
been achieved. This gives priority to 
getting the shot rather than achieving 
correct...

3 Customizing AF Functions
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You can set the AF operation characte ristics and shutter-release timing 
for subsequent shots during conti nuous shooting with AI Servo AF.
: Equal priority
Equal priority is given to focusing and 
continuous shooting speed. In low light 
or with low-contrast subjects, shooting 
speed may slow down.
: Shooting speed priority
Priority is given to the continuous shooting speed instead of achieving 
focus. The continuous shooting sp eed does not slow down. Convenient 
when you...

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3 Customizing AF Functions
You can set whether and how to use the electronic focusing ring when 
using one of the electronic focusing ring-equipped lenses below.
: Enable after One-Shot AF
If you keep pressing the shutter button 
halfway after AF operation, you can 
focus manually.
: Disable after One-Shot AF
Manual focusing is disabled after AF 
operation.
OFF: Disable in AF mode
When the lens’ focus mode switch is set to [ AF], manual focusing is 
disabled.
2 3: One Shot
USM lens electronic MF...

3 Customizing AF Functions
94
Enables or disables the EOS-dedi cated Speedlite’s AF-assist beam.
ON: Enable
The external Speedlite emits the AF-
assist beam when necessary.
OFF: Disable
The external Speedlite will not emit the 
AF-assist beam. This prevents the AF-
assist beam from disturbing others.
IR: IR AF assist beam only
Only external Speedlite models that  have an infrared AF-assist beam 
will emit the AF-assist beam. Set this if you do not want the AF assist \
using small flashes to be emitted....

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3 Customizing AF Functions
When the AF area selection mode is  set to 61-point automatic selection 
AF or Zone AF, AF is possible while using the subject’s color or face 
detection information.
Using this function makes it easie r to continue focusing a moving 
subject with AI Servo AF. Using this function also makes it easier to 
focus human subjects in One-Shot AF mode.
ON: Enable
The AF point is automatically selected 
based on the AF information combined 
with the color and facial information of...

3 Customizing AF Functions
96
If focus cannot be achieved with aut ofocus, you can have the camera 
keep searching for the correct fo cus or have it stop searching.
ON: Continue focus search
If focus cannot be achieved with 
autofocus, the lens is driven to search for 
the correct focus.
OFF: Stop focus search
If autofocus starts and the focus is far off 
or if focus cannot be achieved, the lens 
drive stops. This prevents the lens from 
becoming grossly out of focus due to 
focus searching.
You can...

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3 Customizing AF Functions
: 15 points
Fifteen main AF points will  be manually selectable.
: 9 points
Nine main 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 checkmark < X>. 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...

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98
: Manual select.:Zone AF
The 61 AF points are divided into nine zones for focusing.
: Auto selection: 61 pt AF
All of the AF points  are used for focusing.
You can set the method for changing the AF area selection mode.
  →  M-Fn button
After you press the < S> button, the AF 
area selection mode changes each time 
you press the < B> button.
 →  Main Dial
After you press the < S> button, turning 
the < 6> dial changes the AF area 
selection mode.
You can set the AF area...

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3 Customizing AF Functions
: Select separate AF points
The AF area selection mode and manua lly-selected AF point (or Zone) 
can be set separately for each camera orientation (1. Horizontal, 2. 
Vertical with the camera grip at the to p, 3. Vertical with the camera grip 
at the bottom). Convenient when, fo r instance, you want to keep using 
the right AF point during all camera orientations.
When you manually select the AF area selection mode and AF point (or 
Zone with Zone AF) for each of the  three...

3 Customizing AF Functions
100
You can set whether or not to disp lay the AF point(s) in the following 
cases: 1. When selecting the AF point (s), 2. When the camera is ready 
to shoot (before AF operation), 3.  During AF operation, and 4. When 
focus is achieved.
: Selected (constant)
The selected AF point(s) is always 
displayed.
: All (constant)
All 61 AF points are always displayed.
: Selected (pre-AF, focused)
The selected AF point(s) is displayed for 1, 2, and 4.
: Selected (focused)
The selected...