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Automatic exposure control
The lens diaphragm automatically adjusts
for
correct exposure when
frame
speed
selector
(27) is in
any
position
other
than
"
0
".
As long
as aperture
openings
as
in-
dicated in the
viewfinder are
between
f/2
and
f/22,
films will be
correctly exposed
.
The diaphragm
closes
to
a smaller open-
ing as
the leval
of illumination
increases,
and opens
to
a
larger
opening as
the
illu-
mination becomes
less.
Viewfinder symbol of
four bars
indicates
insufficient
light
.
Viewfinder symbol of one bar indicates a
closed
diaphragm
.
22
18913-210
Filming at predetermined aperture
The diaphragm may be
arrested at a
predetermined
setting
by depressing dia-
phragm
arresting
button
(20)
.
It may be
locked
in the
down position by rotating
clockwise.
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•
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