Nikon D5300 Guide D’Exploitation
180
Photographs taken at high ISO sensitivities can be processed to reduce “noise.”
Adjust ISO sensitivity (
0 67).
❚❚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 (
will remain fixed at the value selected by the user (
0 67). 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
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 speed (
1
/
2000
–1 s, or Auto; in modes S and M,
sensitivity will be 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
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 optimum exposure can not be achieved at the ISO
sensitivity value selected for Maximum sensitivity.
sensitivity value selected for Maximum sensitivity.
High ISO NR
G button
➜ C shooting menu
Option
Description
High
Reduce noise (randomly-spaced bright pixels, lines, or fog), particularly in
photographs taken at high ISO sensitivities. Choose the amount of noise reduction
performed from High, Normal, and Low.
photographs taken at high ISO sensitivities. Choose the amount of noise reduction
performed from High, Normal, and Low.
Normal
Low
Off
Noise reduction is only performed as required. The amount of noise reduction is
less than the amount performed when Low is selected for High ISO NR.
less than the amount performed when Low is selected for High ISO NR.
ISO Sensitivity Settings
G button
➜ C shooting menu