Nikon os Speedlight SB-102 - Manual (Page 13)

26 Set the ASA/ISO film
speed.
Turn the exposure calculation dial
@ until the correct shooting situa­
tion mark ® is opposite the ASA/ISO
speed of the film in the camera.
Choose which mark to use accord­
ing to the shooting situation:
^ : On-land photography
^ .■ On-land photography with the wide-flash
adapter
: Underwater photography
w* ; Underwater photography with the wide-
flash adapter
ASA/ISO film speed scale
-----------------m
32 40 64 80
In the photograph, the shooting
situation mark (•<: underwater
photography) index is aligned with
ASA/ISO 100.
• For TTL operation with the Nikonos-V
camera, the useable film speed range is
from ASA/ISO 25 to 400.
• The ASA/ISO film speed settings are only for
determining shooting distances and useable
apertures: the exposure calculation dial is
not electrically connected to the flash unit.
• Intermediate ASA/ISO film speed settings
are indicated with dots:
250
320
500 \ 1000 I
640 1250
27.
Set the shutter
■ speed on the
camera.
When using the Nikonos-V, set the
shutter speed/mode selector dial
to "A" or any shutter speed setting
from 1/1000 to 1/30sec.; when
using the Nikonos IV-A, set the
shutter speed dial to “A”; in the
case of the Nikonos III, set the
shutter speed dial to 1/60sec.
When using either the NikonoS-Vor
Nikonos IV-A, the proper synchroni­
zation speed (1 /90sec.) will be auto­
matically set when the SB-102’s
power switch is turned on.
.f/2.8)
• Step 28 is divided into two sections ac­
cording to the camera and the shooting mode
in use.
The "A" steps are for TTL automatic opera­
tion with the Nikonos-V camera: the "B" steps
are for non-TTL automatic operation with the
Nikonos-V, Nikonos IV-A, or III (the optional
Sensor Unit SU-101 is required for non-TTL
automatic operation).
For information about manual Hash operation,
see pages 25 to 26.
AU
m 1/ i 6 •:
m FULL»X^
[HrH**
T a S», ,
SlAVi
•!
T libht «"^
23A. Automatic
'Operation.
A-1. Set the shooting mode
selector switch ® to “TTL.”
A-2. Select an f/stop with the
exposure calculation dial.
Select an aperture from the range
of apertures that can be used at the
existing flash-to-subject distance,
tance.
For example, when the shooting
situation mark (^4: underwater
photography) is set at ASA/ISO 100
and the flash-to-subject distance is
1 m (3.3ft), the useable aperture
range is from f/2.8 to f/16.
73