Canon EOS M - Ae Lock Effects

A Locking the Exposure (AE Lock)N
158
* During manual focus, AE lock is applied at he center AF point.
AE Lock Effects
Metering Mode
(p.151)
AF Point Selection Method (p.118-121)
Automatic Selection Manual Selection
q*
AE lock is applied at the AF
point that achieved focus.
AE lock is applied at the
selected AF point.
wre
AE lock is applied at the center AF point.