Nikon SB-25, Instruction Manual

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Chapter
3
Set Up and Practice
1 Choose position (flash mode selector). Confirm
appears in the LCD panel.
2 Choose position (flash sync mode selec-
tor*).
* position is used for Rear-Curtain Sync Flash, and only with the F90-
Series/N90, F4-Series, F-801/N8008, and F-801s/N8008s. For details, see
page105.
3 Set ISO film speed and the built-in zoom head position.
For instructions, see “Setting ISO Film Speed (Manual
Adjustment),” pages 27 to 28, and “Setting Zoom-Head
Position (Manual Adjustment),” pages 29 to 30.
Manual Flash Mode — Manual Light-Output Control
With the SB-25’s flash mode selector at , you can per-
form manual flash photography.
For manual flash photography, it is important to choose
an appropriate aperture and shooting distance to achieve
your desired effect. To help approximate these variables,
you can use the SB-25’s LCD panel and control buttons as
a “calculator”, or use “guide numbers” (see page 118).
To enhance this feature, the SB-25 lets you manually
adjust flash output levels from full power (1/1) to 1/2, 1/4,
1/8, 1/16, 1/32, 1/64, and FP1 and FP2.
1
Flash mode selector
at Manual Flash
2
Flash sync mode
selector at NORMAL
3
ISO film
speed in
use and
zoom-head
position
6
Aperture
value
4
Flash out-
put level
Before proceeding:
✗
ATTACH SPEEDLIGHT TO CAMERA.
✗
TURN ON BOTH SPEEDLIGHT AND CAMERA.
✗ USE APERTURE-PRIORITY AUTO OR MANUAL EXPO-
SURE MODE.
✗
USE SINGLE-SERVO AUTOFOCUS (S or A) OR MANU-
AL FOCUS (M).
✗
USE SINGLE-FRAME SHOOTING (S) FILM ADVANCE
MODE.
Automatic ISO film speed/zoom-head position
adjustment: F90-Series/N90, F4-Series, F-801/
N8008, or F-801s/N8008s used with an AF Nikkor
lens (including the latest D-Type) or Nikkor lens
having a built-in CPU
The film speed and zoom-head position in use are
automatically set and indicated in the SB-25’s LCD
panel.
For other lenses, set manually according to the
shooting situation. See “Setting ISO Film Speed
(Manual Adjustment),” pages 27 to 28, and “Setting
Zoom-Head Position (Manual Adjustment),” pages 29
to 30.
F90-Series/N90 ✗ F-501/N2020 ✗ Nikonos V ✗
F4-Series ✗ F-301/N2000 ✗ F3-Series ✗
F-801/N8008
✗
F-401/N4004
✗
F2-Series
✗
F-801s/N8008s ✗ F-401s/N4004s ✗ FM2 ✗
F-601
M
/N6000 ✗ FE2 ✗
F-401x/N5005
✗
FG
✗
F-601/N6006
✗
FA
✗
FG-20
✗
APPLICABLE NIKON SLR MODELS
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