V1.02
Thom Hogan’s Complete Guide to the Nikon D300
Page 585
AE lock (Reset)
Pressing
the
AE-L/AF-L
button locks
both exposure and focus, but releases
the lock if you press the button again,
the meter times out, or you press the
shutter release
AE lock (Hold)
Pressing the
AE-L/AF-L
button locks
exposure until the meter times out or
you press the button again
AF lock only
Holding
the
AE-L/AF-L
button locks
focus
Flash off
Flash is disabled while the button is
held
Bracketing burst
If held at start of a bracketing
sequence, all shots in the sequence
are taken immediately (with one
shutter release press); in continuous
release shooting method, multiple
sequences of a bracketing set will be
taken (i.e. shots continue until you let
go of the shutter release)
Matrix metering
Matrix metering is active when the
AE-L/AF-L
button is held down
Center-weighted
Center-weighted metering is active
when the
AE-L/AF-L
button is held
down
Spot metering
Spot metering is active when the
AE-
L/AF-L
button is held down
None
Pressing the
AE-L/AF-L
button does
nothing (but holding it and turning the
Command dials may do something, if
set) [default]
Button Held with Rotating Command Dials: