User manual
Chapter 
5
Chapter 
4
Chapter 
3
Chapter 2
CONTENTS
Chapter 
1
Chapter 
1
Chapter 
6
123
Assigning functions to 
the 
 button
This introduces a few useful settings 
that can be assigned with customization 
function C.Fn5 [Custom Controls].
Detailed settings for   button’s 
[AF/Metering start]
Four settings can be assigned such as 
[AI Servo AF characteristics]
1
In C.Fn5 [Custom Controls], press the   button while 
[AF/Metering start] is selected for 
 and   buttons to 
display the detailed settings screen. You can perform 
four settings from this screen.
Press the 
button when the 
Custom Controls is 
in 
 button
In detailed settings, 
the following four 
parameters can be set: 
[AF start position],
[AI Servo AF 
characteristics], 
[AF operation], and 
[AF area selection 
mode]










