Canon EOS-1D X Mark II DSLR Camera (Body Only) - Manual (Page 59)

59
The camera is compatible with all Canon EF lenses. The camera
cannot be used with EF-S or EF-M lenses.
1
Remove the caps.
Remove the rear lens cap and the
body cap by turning them as shown
by the arrows.
2
Attach the lens.
Align the red mount index on the lens
with the red mount index on the
camera and turn the lens as shown by
the arrow until it clicks in place.
3
Set the lens’s focus mode switch
to <AF>.
< AF > stands for autofocus.
< MF > stands for manual focus.
Autofocus will not operate.
4
Remove the front lens cap.
Attaching and Detaching a Lens
Attaching a Lens