Ae Lock Photography - Canon EOS 1 Instructions Manual

AE Lock Photography
When the evaluative metering is combined with
one shot AF mode, exposure is automatically
locked upon focus completion.
At other times, exposure is determined at shut-
ter release. If you wish to control exposure be-
fore shutter release, AE lock is possible. AE lock
can
be
used in any metering mode: Evaluative,
Spot, Partial, or Center-weighted average (Cus-
tom Function
#
8, see p. 54).
30
1) Focus the subject and start metering by
pressing the shutter button halfway.
2) Lock the exposure by pressing the AE lock
button on the back of the camera. The AE
lock indicator
*
appears in the viewfinder.
Recompose the picture while keeping the
shutter button pressed halfway.