Autoexposure (Ae) Lock - Nikon D300 User Manual

Autoexposure (AE) Lock
Use autoexposure lock to recompose photographs after metering
exposure.
Shutter-release
button
1('5 F5.6
p
~o 20
AE-UAF-L button
,(II
Metering selector
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
poi nt, press the AE-UAF-L button to lock
exposure (and focus, except in manual
focus mode). Confirm that the in-focus
indicator
(e)
appears in the viewfinder.
Matrix metering will not
produce the desired results
with autoexposure lock. If
using center-weighted
metering, select the center
focus point with the multi
selector (pg. 66).
1
Select center-weighted or
spot metering (pg. 102).
('5 F5.6
p
'so
cD
While exposure lock is in effect, an AE-L
~(.
indicator will appear in the viewfinder.
114