Nikon SB-25 Instruction Manual page 35

9 Look into camera viewfinder, compose and lightly
press the shutter release button.
Confirm ready-light has come on and subject is in focus.
Check that ready-light is on in camera viewfinder or on the
SB-25 .
Check whether subject is in focus.
68
Shutter speed/aperture settings in Programmed
TTL Auto Flash
The camera automatically locks the shutter release at
1/125 sec. Aperture value is automatically controlled
to correspond with the film in use.
Film speed and corresponding controlled aperture
ISO film
25 50 100 200 400 800 1000
speed
Controlled f/16+ 1
f/2.8 f/4 f/5.6 f/8 f/11 f/16
aperture f/stop
Firing Flash
/
3
10 Fully depress shutter release button to fire flash.
11 Recheck ready-light to see if it is blinking.
If ready-light blinks for a few seconds after shooting, the
flash has fired at its maximum output but the light may have
been insufficient.
Reconfirm shooting distance and, if necessary, move closer
to subject or select a wider aperture (in aperture-priority
auto or manual exposure mode) to compensate underexpo-
sure.
TTL Auto Flash Mode: For F-501/N2020 and F-301/N2000 Users
3
Chapter
69