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Backup
mechanical
release
lever
®
This
lever
is
provided
as
an
alternative
method
of
trip
-
ping
the
shutter
in
case
the
camera's
batteries
become
weak
or
completely
exhausted
.
To
operate
the
lever,
first
use
your
fingernail to
pull
it
down to
the
ready
position.
Then
push
it
down to
trip
the
shutter. The shutter
operates
at a
mechanical
speed
of
approx
. 1/60
sec
.
regardless
of
the
setting
on
the
shutter
speed
dial.
Even when
the
batteries
are
exhausted,
you
can
still
make
time ex-
posures
by
setting
the
dia
l to "T"
and
using
the
backup
mechanical
release
lever
to
trip
the
shutter.
Caution: II you
advance
the liIm while
holding
down the
backup
mecha
·
nical release
lever
, the shutter will fire
immediately
at the completion
01
the film
advance
stroke, thus wasting a lrame.
Al
so
if
you
loilto
advance
the film
completely
and
then use this
lever
to
trip the shutter, the mirror ® will remain in the "up" position until the
advance
lever
stroke is completed.
Depth-of-field
preview
button
CD
This control allows you to
get
a visual impression of
the
various
parts
of
the
scene
in front
of
and
behind
the
main
subject
which will
appear
sharp
in
the
final
photograph
(see
the
photos
on
the
next
page.)
To
operate
this control,
push
the
button
while looking
through
the
viewfinder.
If
the
lens is set to anything
other
than
maximum
aperture,
the
image
on
the
focusing
screen
will
give
you
an
indi-
cation
of
exactly what will
be
in focus in
the
final photo.
The
image
progressively
gets
darker
as
the lens
aperture
gets
smaller.
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