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Auto ISO Sensitivity Control
If On is selected for ISO sensitivity settings > Auto ISO sensitivity control in the
shooting menu, ISO sensitivity will automatically be adjusted if optimal exposure can
not be achieved at the value selected by the user (ISO sensitivity is adjusted
appropriately when the flash is used).
1 Select Auto ISO sensitivity control.
Press the G button and select ISO
sensitivity settings in the shooting menu.
Highlight Auto ISO sensitivity control and
press 2.
2 Select On.
Highlight On and press J (if Off is selected,
ISO sensitivity will remain fixed at the value
selected by the user).
3 Adjust settings.
The maximum value for auto ISO sensitivity
can be selected using Maximum sensitivity
(choose lower values to prevent noise in the
form of randomly-spaced bright pixels, fog,
or lines); the minimum value for auto ISO
sensitivity is automatically set to ISO 100.
In modes P and A, sensitivity will only
be adjusted if underexposure would result at the shutter speed selected for
Minimum shutter speed (
1
/4000–1 s; in modes S and M, sensitivity will be
adjusted for optimal exposure at the shutter speed selected by the user).
Slower shutter speeds will be used only if optimum exposure can not be
achieved at the ISO sensitivity value selected for Maximum sensitivity.
If the
ISO sensitivity selected by the user is higher than the value selected for
Maximum sensitivity, the value selected for Maximum sensitivity will be
used instead.
(P, S, A, and M Modes Only)
G button