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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