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BOLEX 480 MACROZOOM Instruction Manual page 18

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Fade-ins
and
fade-outs
A
B
Fade
out:
a gradual darkening
at the
end
of
the scene to indicate a change
of
time
or
location.
Fade-in:
a film that starts suddenly
with a title
or
a bright scene does not
look as pleasant and professional
as
one that gradually changes from dark
to
light
by a fade-in.
If
two scenes
of
greatly
different
brightness follow
each
other,
end one
with
a
fade-out,
start
the
other with a
fade-in.
The change in brightness
is
then less
objectionable.
The total
length
of
fade-out and fade-in
should
not exceed 4
seconds.
14
Your
camera
allows
you to make
fade-outs and fade-ins
by
slowly
clos-
ing
and
opening the diaphragm.
These dissolves naturally
can
only be
obtained
if
the diaphragm
is not
al-
ready closed down too
far.
The
maxi-
mum
effect is achieved when the
aperture is f/5.6
or
larger
(i.e.
f/4-
f/2.8
-
etc.).
If
the diaphragm
is
clos-
ed
too
far
(f/8
-
f/11 -
f/16),
you
can
use
the
neutral grey
filter
supplied with
the
camera:
this opens the diaphragm
two stops more without affecting the
exposure or
color.
At an
aperture of
f/5.6,
the
length
of
a
dissolve is about two
seconds,
when
the
projection
speed and
the filming
speed are
identical.
To make a fade-out:
check the
diaphragm
aperture
and,
if
necessary,
place
the
grey
filter on
the lens;
push preselection
button(A)
to posi-
tion
«on»;
film
normally and,
at
the
end of
the
sequence, press on
the
«start"
key
(8)
until
the
diaphragm
scale
is at
the end
of
its run
(red zone),
and then
immediately
let go of the
release;
release
the
«start"
key
(8);
do not forget to reset
the
preselection
button (A) to
«off".

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