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Sensitivity of Center-Weighted
Metering
Center-Weighted Metering (
C
e
)
)
Choose Center-Weighted Metering when you want to
base
exposure on either Auto or
Manual Exposure
control
for
a
centrally
located
subject. Selecting Center-Weighted
Metering
overrides
Matrix Metering and
co ncentrates
60%
of
the meter's
sensitivity into
the
center of
the
viewfi
nder which is
outlined
by
a
12mm
circle.
This metering
system
is avai
lable
with
the F4's supplied
standard
Multi-Meter Finder DP-20
and
the
optional AE Action
Finder
DA-20.
Sensitivity of Spot
Meteri
ng
Spot Metering (
e )
For selective metering of
tiny
subjects or
for
advanced manual
metering
techniques,
use
Spot Metering.
The
area
metered is represented by the approx.
5mm-diameter
circle
in the
center of
the
viewfinder.
This metering
system is
effective when
precise
measurement of a special
portion
of
the
subject is
required. The
spot
metering
sensor
is
incorporated
in
the
F4's
body,
so Spot Metering is available with any of
the
F4's
interchangeable viewfinders.
45
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