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A The Photo Shooting Menu
ISO sensitivity can also be adjusted from the photo shooting menu.
Choose ISO sensitivity settings in photo shooting menu to adjust
settings for photographs (0 253).
A Live View
In live view, the selected value is displayed in the monitor.
A ISO Sensitivity
The higher the ISO sensitivity, the less light needed to make an
exposure, allowing faster shutter speeds or smaller apertures, but the
more likely the image is to be affected by noise (randomly-spaced
bright pixels, fog, or lines). Noise is particularly likely at settings
between Hi 0.3 and Hi 5.
A Hi 0.3–Hi 5
The settings Hi 0.3 through Hi 5 correspond to ISO sensitivities 0.3–
5 EV over ISO 51200 (ISO 64000–1640000 equivalent).
A Lo 0.3–Lo 1
The settings Lo 0.3 through Lo 1 correspond to ISO sensitivities 0.3–
1 EV below ISO 100 (ISO 80–50 equivalent). Use for larger apertures
when lighting is bright. Contrast is slightly higher than normal; in most
cases, ISO sensitivities of ISO 100 or above are recommended.
A See Also
For information on:
• Choosing the ISO sensitivity step size, see A > Custom Setting b1
(ISO sensitivity step value; 0 261).
• Reducing noise in photos taken at high ISO sensitivities, see C >
High ISO NR (0 255).
• Reducing noise in movies shot at high ISO sensitivities, see 1 > High
ISO NR (0 259).
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