Nikon D5000 - Manual (Page 107)

89
t
Autoexposure Lock
Use autoexposure lock to recompose photographs after metering exposure:
1
Select center-weighted ( M) or spot (N) metering
(0 88).
Matrix metering ( L) will not produce the desired results.
2
Lock exposure.
Position the subject in the selected focus point and press
the shutter-release button halfway. With the shutter-
release button pressed halfway and the subject positioned
in the focus point, press the AE-L/AF-L button to lock focus
and exposure.
While exposure lock is in effect, an AE-L indicator will
appear in the viewfinder.
3
Recompose the photograph.
Keeping the AE-L/AF-L button pressed, recompose the photograph and shoot.
A
Adjusting Shutter Speed and Aperture
While exposure lock is in effect, the following settings can be adjusted without altering the
metered value for exposure:
Mode Setting
Programmed auto Shutter speed and aperture (flexible program; 0 81)
Shutter-priority auto Shutter speed
Aperture-priority auto Aperture
The metering method itself can not be changed while exposure lock is in effect.
A
See Also
If On is selected for Custom Setting c1 (Shutter-release button AE-L, 0 156), exposure will
lock when the shutter-release button is pressed halfway. For information on changing the
role of the AE-L/AF-L button, see Custom Setting f2 (Assign AE-L/AF-L button, 0 164).
Shutter-release
button
AE-L/AF-L button