Setting The Iso Sensitivity; Test Firing Function - Nikon autofocus speedlight SB-900 User Manual

Flash shooting support functions

Setting the ISO sensitivity

The ISO sensitivity is automatically set based on the information transmitted from
the camera to the Speedlight.
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Setting the ISO sensitivity manually
You can set the ISO sensitivity manually using the custom setting. (kC-24)
• The available ISO sensitivity range is ISO 3 to 8000. Note that the ISO sensitivity
set on the camera is given priority.

Test firing function

You can determine whether the subject will receive the correct exposure by test
firing the SB-900 before actually taking the picture by pressing the [Test firing]
D
button.
• The SB-900 fires at M1/128 flash output in the i-TTL flash mode. The amount of
flash output can be modified in the custom setting. (kC-23)
• In Auto Aperture/Non-TTL auto flash operations, the SB-900 fires at a flash
output controlled by the aperture set.
• In the Manual mode, the SB-900 fires at the flash output value set.
• In wireless multiple flash photography, the SB-900 does not perform test firing if
it is set as a master flash unit.
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Setting the test fi ring
Set to activate the test firing in the custom setting. (kC-22)
• When the test fi ring is activated, the test fi ring icon appears on the LCD panel.
D–60