Nikon N4004s User Manual
Page 57
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The following instructions are for programmed TTL auto and
TTL auto flash shooting only.
• Usable film speed range for TTL flash photography is
ISO 25 to 400.* Ready-light blinks when film speed is
beyond ISO 400.
• The AF illuminator on the SB-24, SB-23, SB-22 and
SB-20 enables the N4004s to perform autofocus
operation even in total darkness.
• For non-TTL auto or manual flash shooting with
external speedlight, set camera to either aperture-
priority auto or manual exposure mode. If camera is
set to program or shutter-priority auto mode, aperture
cannot be set manually, and the shutter locks.
• ISO 25 to 1600 for non-TTL and manual flash
photography.
The usable ranges for film speed and aperture in TTL mode are
as follows:
ISO
25
50
too
200
400
Aperture
2.8
4
5.6
8
11