Nikon D2Xs - Manual (Page 112)

98
Taking Photographs—Exposur
e
3 Keeping the AE-L/AF-L but ton pressed, re com pose the pho to graph and
shoot.
Metered Area
In spot metering, exposure will be locked at the value metered in a 3-mm (0.12 in.)
circle centered on the selected focus area. In center-weighted metering, exposure will
be locked at the value metered in the center of the viewfi nder (the default area for
center-weighted metering is shown by the 8-mm circle in the viewfi nder).
Adjusting Shutter Speed and Aperture
While exposure lock is in effect, the following settings can be changed without altering
the metered value for exposure:
Exposure mode Settings
Programmed auto Shutter speed and aperture (fl exible program; 89)
Shutter-priority auto Shutter speed
Aperture-priority auto Aperture
The new values can be confi rmed in the viewfi nder and control panel. Note that the
metering method can not be changed while exposure lock is in effect (changes to
metering take effect when the lock is released).
c1—AE Lock ( 195)
If + release button is selected for AE lock, exposure will lock when the shutter-release
button is pressed halfway.
c2—AE-L/AF-L ( 195)
Depending on the option selected, the AE-L/AF-L button locks both focus and exposure
(the default setting), only focus, or only exposure. Options are available for keeping
exposure locked until the AE-L/AF-L button is pressed a second time, the shutter is
released, or exposure meters turn off.