Nikon COOLPIX S6400, Reference Manual

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ISO Sensitivity
When ISO sensitivity is increased, less light is needed when taking pictures.
Higher ISO sensitivity allows darker subjects to be captured. Additionally, even with subjects
of similar brightness, pictures can be taken at faster shutter speeds, and blurring caused by
camera shake and subject movement can be reduced.
• Although higher ISO sensitivity is effective when shooting darker subjects, shooting
without the flash, shooting while using the zoom, etc., images may contain noise.
B
Notes About ISO Sensitivity
Some settings cannot be used with other functions (
A
71).
Select
A
(auto) mode
M
tap
F
M
E
ISO sensitivity
Option Description
Auto (default setting)
Sensitivity is ISO 125 when there is sufficient lighting; the camera
compensates by raising sensitivity to a maximum of ISO 1600 when
lighting is dim.
Fixed range auto
Select the range in which the camera automatically adjusts ISO
sensitivity, from
ISO 1 2 5 -400 or ISO 1 2 5 - 8 00 . The camera will not
increase sensitivity beyond the maximum value in the selected range.
Set the maximum value for ISO sensitivity for effective control over
the amount of “grain” that appears in images.
125, 200, 400, 800, 1600,
3200
Sensitivity is locked at the specified value.