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Exposure
Choose how the camera sets exposure in P, S, A, and M modes (in
other modes, the camera selects the metering method
automatically).
Metering (P, S, A, and M Modes Only)
Option Description
a
Matrix: Produces natural results in most situations.
Camera
meters a wide area of the frame and set exposure according to
tone distribution, color, composition, and, with type G, E, or D
lenses (0 307), distance information (3D color matrix metering
II; with other CPU lenses, camera uses color matrix metering II,
which does not include 3D distance information).
Z
Center-weighted: Camera meters entire frame but assigns greatest
weight to center area (if CPU lens is attached, size of area for
viewfinder photography can be selected using Custom Setting
b4, Center-weighted area, 0 278; if non-CPU lens is attached,
area is equivalent to circle 8 mm in diameter).
Classic meter for
portraits; recommended when using filters with an exposure
factor (filter factor) over 1×.
b
Spot: Camera meters circle centered on current focus point,
making it possible to meter off-center subjects (if non-CPU lens
is used or if auto-area AF is in effect, camera will meter center
focus point).
Diameter of circle for viewfinder photography is
3.5 mm (0.14 in.), or approximately 2.5% of frame.
Ensures that
subject will be correctly exposed, even when background is
much brighter or darker.
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