22
The
Live
view/OK
lever
is
specially
designed
for
the
easy
operation
of
the
D
‐
90
camera’s
video
recording
function.
To
enter
or
exit
the
live
view
mode,
pull
the
lever
towards
the
rear
side
of
the
housing,
following
the
arrow
indicator
on
the
housing.
To
select
OK
for
starting
and
stopping
a
video,
simply
press
the
lever
towards
the
front
side
of
the
housing.
By
default,
the
autofocus
function
of
the
camera
is
activated
by
pressing
the
shutter
release
button
halfway,
however,
when
recording
videos
in
the
live
view
mode,
assigning
the
autofocus
function
to
the
AE
‐
L/AF
‐
L
button
is
recommended
to
avoid
the
accidental
activation
of
the
shutter
release
during
focusing.
For
convenience,
the
AE
‐
L/AF
‐
L
lever
is
situated
next
to
the
Live
view/OK
lever
on
the
NA
‐
D90
housing.
