Canon EOS-1D X Mark II DSLR Camera (Body Only) - Manual (Page 105)

105
Lenses and Usable AF Points
Autofocusing with only the 47 points shown in the diagram is possible.
(Not possible with all 61 AF points.) All the AF area selection modes are
selectable. During automatic AF point selection, the outer frame
marking the AF area (Area AF frame) will be different from 61-point
Automatic selection AF.
: Cross-type AF point. Subject
tracking is superior and high-
precision focusing is achieved.
: AF points sensitive to horizontal lines.
: Disabled AF points (not displayed).
Autofocusing with only the 33 points shown in the diagram is possible.
(Not possible with all 61 AF points.) All the AF area selection modes are
selectable. During automatic AF point selection, the outer frame
marking the AF area (Area AF frame) will be different from 61-point
Automatic selection AF.
: Cross-type AF point. Subject
tracking is superior and high-
precision focusing is achieved.
: AF points sensitive to horizontal lines.
: Disabled AF points (not displayed).
Group G
Group H