Canon EOS-1DX Af Setting Manualbook page 78

Group I
31-point cross-type AF points available
10 cross-type points supported f/4 +
f/5.6
AF can be carried out using 61 points (cross-type
focusing is possible with 31 points). You can choose all
AF area selection modes.
Major lenses
EF200-400mm F4L IS USM +Ext x1.4
(When not using built-in Ext x1.4)
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