ABOUT
THE
F50/F50D
METERING
SYSTEM
The Nikon F501F50D has two types
of
exposure
metering
systems-Matrix
Metering and Centre-
Weighted Metering.
Matrix Metering
With D-type
AF
Nikkor lenses including AF-S/AF-J Nikkor: When you
set a Program, or Shutter-Priority Auto or Aperture-Priority Auto
exposure mode, 3D Matrix Metering automatically activates. Even
in
extremely complex lighting situations, the six-segment Matrix Meter
analyzes scene brightness and contrast, automatically adjusting
everything to ensure correct exposure.
In
addition, the microcomputer
built in the D-type AF Nikkor lens sends the information about camera-
to-subject distance, enabling the camera's microcomputer to perform more
precise exposure analysis.
If
non-D-type AF Nikkor lens or Al-P Nikkor lens
is
used, Advanced
Matrix Metering
is
activated; although there
is
no information about
camera-to-subject distance, correct exposure is assured.
o
Centre-Weighted Metering
When you set Manual exposure
mode, the camera automatically
switches to Centre-Weighted
Metering. Centre-Weighted
Metering places special emphasis
on brightness within the 12mm-
diameter central area
of
the
viewfinder, and useful to base
exposure on a specific area
of
the
scene.
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