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TTL Auto Flash Mode: For F4-Series, F-801/N8008 and F-801s/N8008s Users
Chapter
3
1
Press the button.
To perform Matrix Balanced, Center-Weighted or Spot
Fill-Flash, confirm appears in the LCD panel.
To perform Standard TTL Flash, press the button so that
disappears.
2
Choose (flash mode selector position). 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).
ISO speed of the film in use is automatically set. 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 zoom-head/aperture 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.
Setting Up SB-25
Set Up and Practice
Some operations can be controlled automatically when the
camera uses an AF Nikkor lens (including the latest D-Type)
or Nikkor lens having a built-in CPU. In other cases, operate
manually.
Note that the following instructions describe a situation
where you are using either a D-type Nikkor, an AF Nikkor
(except for F3AF) or an AI-P lens.
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
Appears for fully automatic fill-
flash; disappears for Standard
TTL Flash.
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.
SB-25_En 03.1.14 8:18 PM Page 42
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