Set the ASA/ISO film speed | Nikon SB-102 specs

26. Set the ASA/ISO film speed.

Turn the exposure calculation dial

@until the correct shooting situa- tion mark i@i is opposite the ASAIISO speed of the film in the camera. Choose which mark to use accord- ing to the shooting situation:

a. . On-land photography

~: On-land photography with the wide-flash

adapter

.. : Underwater photography

W: Underwater photography with the wide -

.. flash adapter

ASAIISO film speed scale

In the photograph, the shooting situation mark ( .. : underwater photography) index is aligned with ASAIISO 100.

•For TTL operation with the Nikonos-V camera, the useable film speed range is from ASAIISO 25 to 400.

•The ASAIISO film speed settings are only for determining shooting distances and useable apertures; the exposure calculation dial is not electrically connected to the flash unit.

. 'ntermediate ASAIISO film speed settings are indicated with dots:

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-V or Nikonos IV-A, the proper synchroni- zation speed (1/90sec.) will be auto-

25	• •	50	• •	100	• •		200	• •		400		•	800	• •	1600
•	• •	•	• •	•	• •		•	• •		•	•	•	•	• •	•
	32 40		64 80		125	I	250		j		500	j	1000 j
						160			320			640		1250

matical ly set when the S8 -102's power switch is turned on .

·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-Vcamera; the "8" steps are for non- TTL automatic operation with the Nikonos -V, Nikonos /V-A, or III (the optional Sensor Unit SU-101 is required for non-TTL automatic operation).

For information about manual flash operation, see pages 25 to 26.

28A. TTL Aut<?matic 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 ( .. : underwater photography) is set at ASAIISO 100 and the flash-to-subject distance is 1m (3 .3ft), the useable apertu re range is from fl2 .8 to f/16 .