Nikon D3 - Manual (Page 16)

16
If On is selected for ISO sensitivity >
ISO sensitivity auto control in the
shooting menu, the camera automat-
ically adjusts ISO sensitivity if optimal
exposure can not be achieved at the
minimum shutter speed selected by
the user. An example of how to use
this feature appears on the pages that
follow.
Auto ISO sensitivity control is available in modes e , f , and
g . Matrix metering is recommended. Note that camera
fi rmware version A 1.10/B 1.11 or later is required for mini-
mum shutter speeds faster than
1 /
250
s.
Notes
Exposure: Auto ISO Sensitivity Control