Nikon Nikonos Speedlight SB-103 Gebruiksaanwijzing - Pagina 23
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S8-103
Gray Cord
Photo 1.
Double Sync Cord
81ackCord
When two flash units are the same distance from the
subject and face approximately the same direction, the
combined
GN of the two units can be determined with
the following equation:
Combined GN
=
V
GN 14GN22
(GN
1 and
2
are the guide numbers of the flash units.)
•
When
using
two flash units facing the same direction in either the
TTL
mode or one of
the manual
modes, compensate as follows according
to the equipment in use:
1)
With two S8-103 Speedlights
:
select an aperture one step smaller
(a
numerically larger f-number) than
that shown in the exposure
calculation
chart.
For
example, when the
fl
stop shown in the exposure calculation
chart is
f14,
reset
the aperture to
fI5.6.
2)
With
one S8-103 and one S8-102 Speedlight: select an aperture
two steps smaller (a
numerically
larger
f-number)
than that shown
in the exposure calculation chart.
For
example, when the flstop shown in the exposure calculation
chart is f/4, reset the aperture to fIB.
•
When using manual flash operation, set each speedlight's shooting
mode selector/power switch to the same position, for example,
"M 114."
To use
them at
different
positions,
first calculate the combined
GN from the equation formula
above,
then determine the correct
aperture from the combined
GN.
Photo 2.
Daylight FiJI-In Photography
When shooting in daylight, a backlit subject may
come
out almost as a silhouette
if
the background
is
correctly
exposed.
If, on the other hand, exposure compensation
•
is
made to correctly expose the subject, the background
may be washed out. To fill in the shadows and balance
the illumination levels of the subject and the background
in daylight shooting, use daylight fill-in flash
photography.
When using the Nikonos-V,
its
viewfinder LED indicator
will blink to indicate the correct shutter speed under
natural lighting. To obtain the correct exposure with
daylight fill-in flash shooting, turn on the flash unit and
select progressively
smaller
flstops
(numerically
larger
f/numbers) until the camera's 1/125 second and 1/60
second LEDs begin blinking or until either the 1/60
second or the 1/30 second LED indicator
blinks.
Make
sure the subject is within the coupling distance range
and,
if
the viewfinder ready-light is lighted, release
the
shutter.
Operable shutter speed (1/90 sec.)
23