Sekonic Studio Deluxe L-28 C2 - 3-5. Exposure Magnif Ication; U M B E R S; Motion Pictures

3-5.
Exposure Magnification
I
n
dexes
Notice
the
symbols
xtl2, x2,
and
of
the
t'H"
and "L"
marks
on
the
and
Reduction
x4 on
both sides
Dia I
Sca
le.
3-6. E.
V.
S.
Numbers
E.
V.
S. means
Exposure
Vaiue
(light
value.)
lt
is a
number
system
used occasionally
to replace
the tradi-
tion
a
I
sh
utter speed
a
nd
f/stop
combinations.
For
cameras
equipped with
a
n E.
V.
S. sca
le,
use
the
E.V.S.
numbers
found in
the
wi
ndow
a bove
a nd
slightly
to
the left
of the
Dial
Scale.
When the
dial
is
set
as
usua
l,
the
proper
E.
V.
S.
number will
appear.
3-7.
Motion
Pictures
Measure
the light
and
set the
dial as instructed.
Cine
speeds
ra
nging
from 8
to L28
stops
(frames-per.
second)
are
given
in
the
red
Cine
Sca
le.
Find
the
cine
speed
used by
your
camera
and
read the
correspond
ing
f
/stop
on the
Aperture
Sca
le.
This is
the
proper
f/stop
for
your
camera.
Note
:
lf
the
cine
speed
on
your
meter
f a
lls
m
idway
between
two
f/ stops,
set
the
Aperture Sca
le
on
your
ca
mera
iri
the
sa
me way.
The
red
numbers on
the
cine
Scale are
equivalent
to
the
following
shutter
speeds
on
your
camera
:
These
are
used for
magnifying a
nd
reducing
exposure.
xLl2
is
for reducing
exposure time
by one-hatf.
x2
is
for
doubling
the
exposure.
x4
is
for
increasing
it
four
times.
With
the H
lG
H
Slide
in
the
meter,
set
the
red
xL12,
x2, or
x4
to the Dial
Scale, rather
than
"H".
Without
the
HIGH
Slide,
set
the white
xL12,
x2,
or
x4
to
the
Dia I
Sca
le,
rather
th a
n
"
L".
These
indexes
are
helpful, for
example,
when
filters
are
required.
When
using
a
filter with
a
n exposure index
of 2,
set the red
or white
x2 to the
Dial
Scale.
With
an
exposure index
of 4,
set
x4 to
the
Dial
Scale.
Note:
The
intermediate
values
of
these
indexes
are
given
in the
figure
below.
Though
they
are
not
marked
on
the scale itself,
you
can
use
them
effectively
when
needed.
r\5X3
r1,*,
8 (stops)
16
24
I
l15
(second)
Ll30
r
l50
16
Q',7,
I7