Canon EOS 5D MARK II Instruction Manual page 13

=X"AE Lock*
Use AE lock when the area of focus is to be different from the exposure
metering area or when you want to take multiple shots at the same
exposure setting. Press the <--X-> button to lock the exposure, then
recompose and take the shot. This is called AE lock. It is effective for
backlit subjects.
_ Focus the subject.
@ Press the shutter button halfway.
ty,,The exposure setting will be
displayed.
21 Press the < 9(- > button. (_4)
_y,, T he <-X--> icon lights in the viewfinder
to indicate that the exposure setting is
locked (AE lock).
@ Each time you press the <--X-> button,
it locks the current auto exposure
setting.
,3
Recompose and take the picture.
@ If you want to maintain the AE lock
while taking more shots, hold down
the <-X-> button and press the shutter
button to take another shot.
AE Lock Effects
!_!i_i_iii_i_i!i!!!_ii_ai_!i _i_i;_i!_l!il_ii_lil_il_i;liiiiii_liiiii_iiil%_iiii_!_i!i!_9_iJ_l_!_i_! i!_!_i_ig_i_i_i!#_i_:i_!i:!i!!iiii!i!i:il;!iiii iiii_iiiii_iiiii_iiiiiiiiiiii_!i
............................................ _E io_ ¸'is ap_iled'ai ih_ _ ........ _E'io_ iSa_iied"a_ ¸i_e ......................
EBB* )oint that achieved focus. I selected AF point.
EoB _o_ _ AE lock is applied at the center AF point.
* When the lens' focus mode switch is set to <_F>, AE lock is applied at the
center AF point.
98