Nikon SB-25 User Manual

3534
TTL Auto Flash Mode: For F90-Series/N90 Users
Chapter
3
Set Up and Practice
Some operations can be controlled automatically when the
camera is used with an AF Nikkor lens (including the latest
D-Type) or Nikkor lens having a built-in CPU. In other cases,
operate manually.
The following instructions describe a situation where you
are using either a D-type Nikkor to operate 3D Multi-Sensor
Balanced Fill-Flash, or an AF Nikkor (except for F3AF) or AI-
P lens to operate Multi-Sensor Balanced Fill-Flash. With
other lenses, Center-Weighted or Spot Fill-Flash will be per-
formed.
Setting Up SB-25
1
Press the button.
To perform 3D Multi-Sensor Balanced or Multi-Sensor
Balanced Fill-Flash, confirm appears in the LCD panel.
To perform Center-Weighted or Spot Fill-Flash, confirm
appears.
To perform Standard TTL Flash, press the button so
that both and disappears.
2
Choose (flash mode selector). Confirm in the
LCD panel.
3
Choose position (flash sync mode selec-
tor).
position is used for Rear-Curtain Sync Flash (see
page 105).
4
Confirm the ISO film speed has been set and appears
in the SB-25’s LCD panel (automatic ISO film speed
adjustment).
If not shown in the LCD panel, lightly press the camera’s
shutter release button.
5
Confirm the aperture value chosen on the camera and
zoom-head position have been set and appear in the
SB-25’s LCD panel (automatic aperture/zoom-head adjust-
ment).
Automatic aperture/zoom-head adjustment:
AF Nikkor lens (including the latest D-Type) or
Nikkor lens having a built-in CPU
The aperture and zoom-head position in use are auto-
matically set and indicated in the SB-25’s LCD panel.
For other lenses, set manually according to the
shooting situation. See “Setting Aperture Value
(Manual Adjustment),” pages 28 and 29, and “Setting
Zoom-Head Position (Manual Adjustment),” pages 29
and 30.
Before proceeding:
✗ ATTACH SPEEDLIGHT TO CAMERA.
✗ TURN ON BOTH SPEEDLIGHT AND CAMERA.
✗ USE SINGLE-SERVO AUTOFOCUS (S) OR MANUAL
FOCUS (M).
✗ USE SINGLE-FRAME SHOOTING (S) FILM ADVANCE
MODE.
1 For
selecting
flash
method
2 Flash mode
selector at TTL
Auto
3. Flash sync
mode
selector at
NORMAL
4 ISO
speed of
film in
use
5 Aperture
value and
zoom-head
position
One of these marks appears for fully
automatic fill-flash; both disappear
for Standard TTL Flash
Remote TTL Auto Flash operation
The optional SC-17 cord enables you to use the SB-25
off-camera.
When performing 3D Multi-Sensor Balanced Fill-
Flash, remote operation of the SB-25 works properly
only if the SB-25 is placed at a distance and angle
similar to the camera-to-subject distance/angle.
For other situations, switch to a flash method other
than 3D Multi-Sensor Balanced Fill-Flash.
SB-25_En 03.1.14 8:18 PM Page 34

Nikon SB-25 Specifications

General

Brand	Nikon
Model	SB-25
Category	Camera Accessories
Language	English