Autoexposure (ae) lock, Tton (0 128), Tton (0 128) or alt – Nikon D810 User Manual
Page 152
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128
Use autoexposure lock to recompose photographs after using
center-weighted metering and spot metering (0 114) to meter
exposure.
1
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 A AE-L/
AF-L
button to lock exposure (if you
are using autofocus, confirm that the
in-focus indicator (I) appears in the
viewfinder).
While exposure lock is in effect, an
AE-L
indicator will appear in the
viewfinder.
2
Recompose the
photograph.
Keeping the A AE-L/AF-L
button pressed,
recompose the
photograph and shoot.
Autoexposure (AE) Lock
Shutter-release button
A AE-L/AF-L
button
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