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ACCESSORIES-continued-
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Electronic
Flash
Units
Nikon
Speed
lights
are
dedicated
electronic flash units
and
provide the perfect complement to your F3 High-Eyepoint
camera. Just set the
aperture
and
flash output
is
measured
through
the
lens for correct exposures regardless
of
the lens
in use.
Speedlights SB-16A
and
17
The SB-16A
and
SB-17 mount directly
on
the camera for auto-
matic
TTL
flash exposure control. The SB-16A features two
flash heads for more natural bounce-flash portraits: main
head
tilts 90°
and
rotates 270°;
the
secondary
head
faces straight
ahead
to provide catchlight in subject's eyes. Main
head
zooms in
and
out to match
the
coverage
of
28, 35, 50
and
85mm lenses with a
guide
number
of
32 (ISO
100
and
meters)
or
105
(ISO 100/feet). The light,
compact
SB-17 has a gUide
number
of
25 (ISO lOO/meters)
or
82 (ISO 100/feet)
and
fea-
tures a rotating flash
head
and
tilting 90° flash
tube
module
for convenient
bounce
flash.
Speedlight SB-21A
The SB-21A lets you use
TTL
automatic exposure for macro
photography,
and
a convenient focus illuminator ensures pin-
point focus adjustment. The flash
head
offers a 65° horizon-
tal
and
85° vertical angle
of
coverage,
and
a wide illumination
panel
lets you shoot flash-to-subject distances closer
than
40mm (approx.
1.6
in.). SB-21A
can
be
used
with
an
exter-
nal power source (AC
or
DC).
Guide
number
is
13 (at I
SO
lOO
/me
ters) or 43 {at ISO 100/feet) with internal batteries,
and
15
(o
r 49) with external power source.
40
F3 High-Eyepoint
with SB-17
F3
High-Eyepoint
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