13-16
If a subject is covered by one of the five focus brackets, you can also capture an
image of an off-center subject by shift ing the focu s to the r elevan t focus area without
changing the composition. Refer to “Selecting the Focus Area” on page 9-1.
AE/AF Lock
You can simultaneously lock bot h exposure and focus by pressing the AE-L/AF-L button.
AE/AF lock can be used with both Singl e Ar ea AF or Dynamic AF operation, and with al l
metering systems used for automatic exposure control functions.
You can achieve correct exposure using Single Servo AF, when Single Area AF
mode and Spot Metering are selected, by choosin g a focus area that corresponds to
your picture composition.
You can change the aperture in Apert ure-Priority Auto Exposure mode and shutter
speed in Shutter-Priority Auto Exposure mode while pressing the AE-L/AF-L
button.
You cannot change the metering system while pressing the AE-L/AF-L button.
You can lock only the focus in Single Servo AF by lightly pressing the Shutter
Release button and recomposing. Refer to “Focus Lock For Off-center Subjects”
on page 13-14.
You can lock only the exposure by pressing the AE-L/AF-L button in Manual
Focus mode.