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Wide
-Flash Adapter SW-3
CD
The
angle
of
illumination
of
the
SB-ll
by
itself is 56°
horizontally
and
40°
vertically-wide
enough
for use
with a 35mm wideangle lens.
When
the
Wide-Flash
Adapter
is
clipped
onto
the
front
of
the
flash
head,
it
in-
creases
the
illumination to 67° horizonta
ll
y
and
48° ver-
tically providing just the right amount
of
coverage
when
a 28mm lens is used. With
the
SW-3
attached,
the
light
output
of
the
speedlight
is
reduced
resulting in a
dec
r
ease
in gUide
number
from 36 (ASAIISO
100
and
meters) to
25. The ASAIISO 25
and
feet
guide
number
is
reduced
from 60 to 42.
Note:
To
detach the Wide·Flosh
Adopter
SW
-
3,
first rotate the tilting
flash
head
to other than the horizontal position. Then
lift
up the catch
01
the top
of
the S W
-3
to
remove it.
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