Metering - Nikon D300 User Manual

Metering
Metering determines how the camera sets exposure. The
following options are available:
Spot metering area
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Method
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Description
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of the frame and sets exposure according to distribution of
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I greatest weight to area in center of
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frame (defaults to 8-mm circle in center
Center-
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of viewfinder; if CPU lens is attached,
weighted
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area can be selected using Custom
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Setting bS, [Center-weighted area], pg.
1
277 ). Classic meter for portraits.
*
Center weight area
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Camera meters circle 3 mm
(0.12
in.) in
diameter (approximately 2% of frame).
Circle is centered on current focus
point, making it possible to meter off-
8
center subjects (if non-CPU lens is used
Spot or if Auto-area AF is in effect (pg. 64),
camera will meter center focus point).
Ensures that subject will be correctly
exposed, even when background is
much brighter or darker.
*
*
For improved precision with non-CPU lenses, specify lens focal length and
maximum aperture in [Non-CPU lens data] menu (pg.
199).
102