V1.02
Thom Hogan’s Complete Guide to the Nikon D300
Page 535
AE/AF lock
Focus and exposure lock when
the button is pressed
AE lock only
Only exposure locks when the
button is pressed
AE lock (Reset on release)
Exposure
locks
when
the
button
is pressed and remains locked
until the button is pressed again,
the shutter release is pressed, or
the camera’s metering system
turns off
AE lock (Hold)
Exposure locks when the button
is pressed and stays locked until
it is pressed again
or
the camera’s
metering system turns off
AF lock only
Focus locks when the button is
pressed
Same as FUNC. Button
Pressing the
AF-ON
button on
the MB-D10 performs the same
function as the camera’s
FUNC
button (see Custom Setting #F4).
Recommendations:
1. You’ll note that there are three assignments you can make
with the
AF-ON
button:
AF-ON
button function,
AE-
L/AF-L
button function, or
FUNC
button function. You’re
given the option of the most logical coupling (exposure
and focus lock), plus the ability to have the button control