FLASH
PHOTOGRAPHY--------
Ie
printed circuit board Metering reflector
Shutter curtain
Light path
SPD
50
Except at shallow depths, a speedlight
is
a must when
shooting underwater because
it
restores the subject's
natural colors. A speed light
is
also convenient
as
a
main light source
at
night and
in
dim light as well
as
a supplemental light source to fill
in
shadows
in
daylight.
A number of different speedlights can be used with
the Nikonos-V, includ
ing
the new dedicated speedlight,
the
SB-103 or SB-102, and the
SB-101-both
of which
can
be
used both
on
land and underwater. When
shooting
on
land, you can also use Speedlights SB-19,
SB-18,
SB-16B, SB-15, and
SB-E.
To
simplify flash photography even further, the
Nikonos-V features
fully automatic through-the-Iens
(TTL) flash exposure control. While the shutter
is
open, a silicon photodiode (SPO) at the bottom of the
shutter box reads the light as it reflects off the film ;
when the film has received enough light for correct
exposure, the flash unit turns off. TTL flash exposure
control
is
operable with the SB-103 or SB-102, which
connects directly to the camera, and the
SB-18, SB-
16B
and SB-15, which connect to the camera through
a sync cord. The Nikonos
-V
can also
be
used with a
va
riety of Nikon TTL Multiple Flash photographic
accessories. Before shooting, check that the aperture
setting
is
adequate for the flash-lo-subject distance
and the guide number of the speedlighl
in
use.
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