Nikon D700 User Manual page 45

Use autoexposure lock to recompose photographs after metering
exposure.
1 Select center-weighted or Metering selector
spot metering (pg. 1 12).
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. 76).
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-I./AF-I. button to lock
exposure (and focus, except in manual
focus mode). Confirm that the in-focus
indicator (0) appears in the viewfinder.
While exposure lock is in effect, an AE-I.
indicator will appear in the viewfinder.
Shutter-release
button
AE-UAF-[ b utton
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