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Auto Exposure Lock
When you want
to
control the exposure of a specific area within a scene,
measure the exposure on that area and press the
f:1D
button to lock the
exposure, then recompose the picture. This function is useful when there
is
a
pronounced difference between the brightness
of
an
area you want
to
set the
exposure on and the area surrounding it. Set exposure
to
a mode other than
Manual.
.....................................................
1
80
Position focus area
on
subject and lightly press the shutter
release button, then press the
tID
button. Confirm focus
indicator.
appears
in
the viewfinder.
r-~~
~------------
--~
• When the
tID
button
is
pressed, Center-Weighted metering
is
automatically
selected and exposure at the 12mm-diameter circle at center of frame is locked
and remains locked
as
long as the button
is
kept pressed.
mI!lliI
i : Metering system in the Auto Exposure lock can be changed (page 75).
• At initial setting, the exposure metering system automatically changes to Center-
Weighted Metering when Auto Exposure lock is performed. However, it can be set
to
Matrix or Spot Metering using the Custom Setting.
• When Spot Metering
is
selected, exposure on the 4mm-diameter area within the
focus brackets (approx. 1
% of the total frame) is measured. Note that the
measured focus area differs with the
AF
Area mode selected .
• When Dynamic AF Mode with Closest-Subject Priority (p.
47)
or
Dynamic AF
Mode
with Center-Subject Priority
or
Center Area Mode
(p.
47)
is selected:
Exposure
on
the center focus area is measured .
• When Dynamic AF Mode
or
Single Area
Mode
is selected
(p.
47):
Exposure
on
the selected focus area is measured.