Operating Instructions
30
important: Do not use a lens opening smaller
(in
area)
than
/
/5
.6
when
half
masks
are used.
If
this rule is followed, the line
formed
by
th
e overlapping areas, at
th
e
jun
ction
of
the masks,
will be less conspicuous.
If
possibl
e,
compose the scene
so
that
this line is across a dark area
of
the
pic
tu
r
e.
If
the light is too
bright, avoid overexposure
by using a filter
or
by setting the
shutter lever at
Y2
-
0PEN
or
lM
-
OPEN.
Now,
exam
ine
th
e masks_
You
will find one set of
ve
rti
ca
l masks, one set of
horizontal
masks,
an
oval
mask,
and
a c
ir
c
ular
mask.
the
vertical
masks
-E
ff
ects similar to
th
e following
can
be
produced
with
the
vertical
masks;
com
parison
of
operations
seen
at
the
same
tim
e,
a telep
hon
e
con
-
versation
from
two different places, people disap-
p
ear
ing
behi
nd
thin
trees,
subj
ects
vanishing
into
air,
subjects
appearing
twice
in
th
e same picture,
etc_
Select ei
th
er
the
right
or
the
left side to
be
photo
-
graphed
first.
Insert
t
he
mask
into
the
slot with
the
solid
part
on
th
e same side as
th
e subj ect
you
are
photographing
.
Af
ter
th
e
mask
has
been
in
ser
ted,
push
the
top of
the
mask
toward
the
film
chamber
door
to avoid
having
a line
formed
in
the
middle
of
the
picture_
Use
th
e re
fl
ex
finder to
fram
e
your
subject
cor-
rectly,
but
remember,
the
s
ide
to be
photographed
will
appear
on
the
opposite side
of
the
finde
r_
Note
th
e readings on
the
camera
film
meter
and
the
frame
counter. Make
th
e exposure
for
the
one
side
of
th
e
picture;
then
move
th
e
shutter
lever to
CLOSED
and
r
ew
ind
the
film
to
th
e
original
starting
position. Move the s
hutter
lever to
OPEN,
and
re-
move
the
mask used
for
the
first expos
ur
e_
In
se
rt
the
unu
sed
vertical mask (pin tow
ar
d
the
len
s),
and
ex
-
pose
th
e second half of
the
pictur
e.
Remember
to
push
th
e top
of
the
mask
toward
the
film
cham
b
er
door.
the
horizontal
masks
-Use
th
e horizontal masks to
separa
te action t
aking
place above
and
below the
hor
-
izontal
mi
ddl
e of
the
projected
pi
cture. Effects
similar
to
th
e following
can
be
produ
ced
by
usi
ng
these
masks:
compar
ison of mechanical
opera
tions,
dif
-
ferent types of mecha
ni
c
al
operations,
many
humor-
ous effects such as heads moving
without
bodies, etc.
Select the
upp
er
or
lower
half
of
th
e
picture
and