Nikon 990 - Manual (Page 51)

P 1/60 F2.7
NORMAL NORMAL
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The metering method is
shown by icons in the control
panel and LCD monitor (when
Spot AF Area is chosen, a
spot-metering icon (
) ap-
pears in the control panel).
P 1/60 F2.7
NORMAL NORMAL
[ 10 ]
Advanced Photo
graph
y:
Metering
51
Method Auto-Exposure Hold
Pressing the shutter-release button halfway not only locks fo-
cus, but also exposure. This can be used together with spot or
center-weighted metering to set exposure for a subject not at
the center of the final composition.
1 Set metering to (spot) or (center-weighted).
2 Position the subject
in the center of the
frame and press the
shutter-release but-
ton halfway.
3 Keeping the shutter-
release button held
halfway down, re-
compose your pho-
tograph. Press the
shutter-release button the rest of the way down to shoot.
Digital zoom
Focus options
Focus area
Focus lock
For more information on:
P 1/60 F2.7
NORMAL NORMAL
[ 10 ]
How it works When to use it
Center-
Weighted
Camera mea-
sures lighting in
entire frame, but
assigns weight of
80% to area in
center of frame
occupying roughly
1 /
4
of total
Classic meter for portraits;
preserves background
details while letting lighting
conditions at center of
frame determine exposure.
Selected automatically
when digital zoom is used.
Can be used in combination
with AE hold (see right).
Spot AF
Area
Camera measures
light in current
focus area only
When Auto or Manual is
chosen in FOCUS OP-
TIONS > AF Area Mode
sub-menu, this option can
be used to link spot meter-
ing to currently selected
focus area. When OFF is
chosen, this option is
equivalent to “Matrix.”
When manual focus is in
effect, this option is equiva-
lent to “Spot.”