Metering – Nikon D300 User Manual
Page 126
100
Z
Metering
Metering determines how the camera sets exposure. The
following options are available:
Method
Description
a
3D color
matrix II
Recommended in most situations. Camera meters a wide area
of the frame and sets exposure according to distribution of
brightness, color, distance, and composition for natural
results.
Z
Center-
weighted
Camera meters entire frame but assigns
greatest weight to area in center of
frame (defaults to 8-mm circle in center
of viewfinder; if CPU lens is attached,
area can be selected using Custom
Setting b5, [Center-weighted area],
pg. 277). Classic meter for portraits.
1
b
Spot
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-
center subjects (if non-CPU lens is used
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.
1
1 For improved precision with non-CPU lenses, specify lens focal length and
maximum aperture in [Non-CPU lens data] menu (pg. 197).
2 Metered area is not actually displayed in viewfinder.
Center weight area
2
Spot metering
area
2