Canon EOS-1DX MARK II Settings Manual page 88

Group G
21-points cross-type available, total of
47 AF points available to select
AF focusing is possible with 47 points (61-point AF is not
possible). All AF area selection modes are available.
Group H
15-points cross-type available, total of
33 AF points available to select
AF focusing is possible with 33 points (61-point AF is not
possible). All AF area selection modes are available.
Major lenses in Group G
EF800mm F5.6L IS USM
EF35-350mm F3.5-5.6L USM
Major lenses in Group H
EF180mm F3.5L Macro USM
EF180mm F3.5L Macro USM + Ext.
EF1.4x
EF1200mm F5.6L USM
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