
the shutter
The shutter
of
a camera
determines
the length of the exposure. The
Pronto
shutter
on the Memar has mechanically
regulated speeds
ot
l/25t}:
to
1/200th
of
a second,
plus
B
(for
time exposures).
It is also synchronized
for
flash
(see
paee
17). The shutter
speed is set by
turning the
thin
milled ring
so that the
desired
speed is
opposite the diamond-
shaped index mark
on the
stationary
Iens
mount.
The shutter is
released
(the
exposure
made)
by
pressing
down
on the
shutter
release
button. Be sure
to hold the
cam-
ere level and
steady and
press
the re-
lease button with
a firm,
slow
pressure.
6
automatic
.
t. a
r
winding
device
After each exposure,
grip
the
straight
edge of
the winding lever with
the right
thumb
(shown
in
picture
at
right) antl
pull
it to the
right as far as it will
go.
Be sure it
goes
the
full distance
or the
shutter will
not
be
ready for the
next
exposure.
This action
winds
the film,
cocks the shutter and counts the ex-
posures,
so after each
winiling,
the
cam-
era is ready for the next
exposure. This
automatic winding feature
prevents
dou-
ble exposures since the shutter release
button will
remain
Iocked until the film
is wound.
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