Nikon D2HS - Manual (Page 96)

82
Taking Photographs—Exposur
e
Metering
The metering method determines how the cam era sets exposure:
Exposure
Controlling How the Camera Sets Exposure
b6—Center Weight ( 183)
This option controls the size of the area assigned the greatest weight in center-
weighted metering.
Camera meters circle 3 mm (0.12˝) in diameter (approximately 2% of
frame). Circle is centered on current focus area (in group dynamic AF, on
center focus area of current group;
74), making it possible to meter
off-center subjects (if non-CPU lens is used or if dynamic-area AF with
closest subject priority is in effect, camera will meter center focus area).
En sures that sub ject will be correctly ex posed, even when back ground is
much brighter or darker.
*
Spot
Camera meters entire frame but assigns greatest weight to area in center
of frame 8 mm (0.31˝) in diameter, shown by corresponding 8-mm refer-
ence circle in viewfi nder. Classic meter for portraits; recommended when
using fi lters with an exposure factor (fi lter factor) over 1 × (
237). *
Center-
weighted
Description Method
1,005-pixel RGB sensor sets exposure based on variety of information
from all areas of frame. With type G or D lens, camera uses 3D color
matrix metering II for natural results even when frame is dominated by
bright (white or yellow) or dark (black or dark green) colors. With other
CPU lenses, 3D range information is not included; instead, camera uses
color matrix metering II. Color matrix metering is available when focal
length and maximum aperture of non-CPU lens are specifi ed using Non-
CPU lens data item in shooting menu (
121; center-weighted metering
is used if focal length or aperture is not specifi ed). Matrix metering will
not produce desired results with autoexposure lock (
93) or exposure
compensation ( 95), but is recommended in most other situations.
3D color
matrix II/
Color
matrix II/
Color
matrix
* For improved precision with non-CPU lenses, specify lens focal length and maximum
aperture in Non-CPU lens data menu ( 121).
Before shooting, press the metering selector lock
button and rotate the me ter ing selector to choose
a meth od suit ed to the com po si tion and light ing
conditions, and confi rm your se
lec tion in the
viewfi nder.