Selecting The Metering Method - Pentax K10D Operating Manual

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Selecting the Metering Method

Choose the part of the screen to use for measuring brightness and
determining exposure. L (Multi-segment metering), M (Center-weighted
metering) or N (Spot metering) mode can be selected. The factory default
setting is L (Multi-segment metering).
Multi-segment
L
metering
M weighted
metering
Spot metering
N
4
Set with the metering mode lever. (p.18)
Using the Multi-Segment Metering
The scene in the viewfinder is metered in
16 different zones as shown in the
illustration when using the multi-segment
metering. This mode automatically
determines what level of brightness is in
which portion.
The center-weighted metering mode is automatically set even if you select the
multi-segment metering mode when using a lens other than a DA, D FA, FA J, FA,
F or A lens, or when lens aperture ring is set at other than s. (Can only be used if
permission is set in [Using aperture ring] (p.35) in the [A Custom Setting] menu.)
Segments the screen in 16 parts, meters each portion
and determines the appropriate exposure.
Center-
Measures the entire screen with an emphasis on the
center and determines the exposure.
Measures only the center of the screen and determines
exposure.