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ISO Sensitivity Settings
G button ➜ C shooting menu
Adjust ISO sensitivity (0 107).
❚❚ Auto ISO Sensitivity control
If Off is chosen for Auto ISO sensitivity control in P, S, A, and M
modes, ISO sensitivity will remain fixed at the value selected by
the user (0 107). When On is chosen, ISO sensitivity will
automatically be adjusted if optimal exposure can not be
achieved at the value selected by the user. The maximum value
for auto ISO sensitivity can be selected using the Maximum
sensitivity option in the Auto ISO sensitivity control menu
(choose lower values to prevent noise (randomly-spaced bright
pixels, fog, or lines), but note that if the ISO sensitivity selected
by the user is higher than that chosen for Maximum sensitivity,
the value selected by the user will be used instead; 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
1
speed (
/
–30 s, or Auto; in modes S and M, sensitivity will be
2000
adjusted for optimal exposure at the shutter speed selected by
the user). If Auto (available only with CPU lenses) is selected, the
camera will choose the minimum shutter speed based on the
focal length of the lens (auto shutter-speed selection can be
fine-tuned by highlighting Auto and pressing 2). Slower
shutter speeds will be used only if optimal exposure can not be
achieved at the ISO sensitivity value selected for Maximum
sensitivity.
228 C The Shooting Menu: Shooting Options
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