Specifications

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APERTURE
The
amount
of
light
passing
through the
lens
while
the shutter
is
open
is controlled
by
the aperture
setting
(f:stop).
In
the
Argus
C44,
you
have
a
wide
choice
of
settings, ranging
from
the smallest
opening,
f:22,
to the largest
opening,
f:2.8. Each
f:stop
admits
twice as much
light
as
the
preceding
one. For
example,
f:5.6
admits
twice
as much
light
as f:8.
The
triangular
pointer
between
f:5.6
and
f:8 on
the aper-
ture ring
indicates
f:6.3,
an intermediate
or
half-stop
setting.
The
aperture ring
of
your
C44
"clicks"
into
position
at each
marked
setting.
Ffowever,
it
may
also
be set at
any
intermediate
position.
To
set aperture,
rotate
aperture ring
until
desired f:number
is
directly
opposite
index
pointer
on lens
barrel.
The aperture
also controls
the
range
of
sharp focus in
your
pictures.
Small apertures
(e.g.
f:22)
give
a
deep zor:.e
of sharp focus,
while
large
apertures
(e.g.
f:2.8)
give
a
shallow zor:re
of
sharp focus
(see
page
L2).
SHUTTER
The length of
time the shutter
is
open to
admit
light
when
you press
the shutter
release is
controlled by the shutter speed
dial. Numbers on
the
dial indicate
fractions
of a second and
are
selected
by
rotating
the
dial
to
bring
the desired number
directly
over
the
index dot when
looking from
the
top
of
the camera.
ALwAys
sET THE sHUTTER
SPEED
DIAL
DIRECTLY
ON THE NUMBER.
Areas in
between
do not
provide
accurate
intermediate speeds.
When the dial is set at
"B",
the shutter witl
remain open
as
long
as
the
shutter release
is
held down,
permitting
time
exposures.
To
avoid
movement
when making
longer
exposures, the camera
should
be
on
a tripod
or other steady support
and
a
cable
release
used
to
operate
the shutter.
To
"stop"
movement
broadside
to the
camera, use the fastest shutter
speed
and
try
swinging
your
camera with
the subject.
(It
is easier
to
"stop"
subject action moving
directly
toward
or away
from
the
camera.)
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