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TTL Auto Flash Mode: For F-401x/N5005 Users
Chapter
3
Set Up and Practice
Check the charts on page 57 to determine which flash is
available and suitable for your shooting situation before
actual shooting.
Before proceeding:
✗ ATTACH SPEEDLIGHT TO CAMERA.
✗ TURN ON BOTH SPEEDLIGHT AND CAMERA.
✗ SET LENS TO MINIMUM APERTURE (HIGHEST F-
NUMBER).
✗ USE A FILM BETWEEN ISO 25 AND ISO 1000.
Setting Up SB-25
1
Choose position (flash mode selector). Confirm
in the LCD panel.
2
Choose position* (flash sync mode selec-
tor).
* Since TTL Auto Flash operation can be performed regardless of the flash sync
mode selector setting, for simplicity, always leave the switch at this position.
3
Set ISO speed of the film in use. Usable speeds are
ISO 25 to ISO 1000.
For instruction, see “Setting ISO Film Speed (Manual
Adjustment),” pages 27 to 28.
4
Set the built-in zoom head position.
For instruction, see “Setting Zoom-Head Position (Manual
Adjustment),” pages 29 to 30.
Setting Up Your Camera
5
Select one of the following exposure modes:
a. Programmed auto (P), shutter-priority auto (S) or
aperture-priority auto (A) to perform Matrix
Balanced Fill-Flash.
b. Manual exposure mode to perform Center-
Weighted Fill-Flash.
6
Perform other settings:
a. For shutter-priority auto, set desired shutter speed*.
b. For aperture-priority auto, set desired aperture.
c. For manual exposure mode, set desired shutter
speed* and aperture.
* Camera automatically shifts to the fastest synchronization speed if you choose
a speed that is not within the synchronization range.
1 Flash mode selector
at TTL Auto
2 Flash sync
mode selector
at NORMAL
3 ISO speed
of film in
use
4 Zoom-head position
8 Aperture
value
SB-25_En 03.1.14 8:18 PM Page 58
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