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DETAIL-continued---------
Wide
-
Flash
Adapter
SW
-7
CD
The
Wide-Flash Adapter attached
in
front of the
SB
-
16
's
main flash head with the zoom head set
at
WI (for a
2
8mm
len
s) increases the angle of coverage from the
70° horizontal and 53° vertical to 78° and 60° respec-
tively, allowing the
SB
-
16
to
be
us
ed
with a 24mm wide-
angle len
s,
With the
SW
-7 attached, remember
to
s
et
the
zoom head knob
on
the exposure calculator dial
at
W2
.
46
Because the
SW
-7 diffus
es
the light emitted from the ·
SB
-
16
, the guide number is reduced to
19
at
ASA/ISO
100
and meters (refer to pages
31
and 32), and the auto
shooting ranges are less (refer to page
27
for the TTL
auto shooting ranges and page
29
for the non-TTL auto
shooting ranges).