Mirror Lockup; Af Point Area Expansion - Canon EOS 5D MARK II Instruction Manual

Custom Function Settings*
0: Disable
1 : Enable
Prevents camera vibrations caused by the reflex mirror action which can
disturb shooting with super telephoto lenses or close-up (macro)
shooting. See page 101 for the mirror Iockup procedure.
0: Disable
1 : Enable
When you select AI Servo AF and the center AF point, the six Assist AF
points (p.80) wiil also function. Seven AF points wiil track the subject.
This is effective for subjects that move erratically, making it difficult for
only the center AF point to track it.
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