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i: Setting the ISO Speed for Still PhotosN
178
As H1 (equivalent to ISO 51200) and H2 (equivalent to ISO 102400) are
expanded ISO speed settings, noise (dots of light, banding, etc.) and
irregular colors will be more noticeable, and the resolution lower
compared with the standard setting.
As L (equivalent to ISO 50) is an expanded ISO speed setting, the
dynamic range will be somewhat narrower compared with the standard
setting.
If [z3: Highlight tone priority] is set to [Enable] (p.206), L (equivalent
to ISO 50), ISO 100/125/160, H1 (equivalent to ISO 51200), and H2
(equivalent to ISO 102400) cannot be selected.
When shooting with a high ISO speed, high temperature, long exposure,
or multiple exposure, image noise (rough grain, dots of light, banding,
etc.) and irregular colors may become noticeable.
When shooting in conditions that produce an extreme amount of noise,
such as a combination of high ISO speed, high temperature, and long
exposure, images may not be recorded properly.
If you use a high ISO speed and flash to shoot a close subject,
overexposure may result.
Under [z2: ISO speed settings], you can use [Range for stills] to expand
the settable ISO speed range from L (equivalent to ISO 50) to H1
(equivalent to ISO 51200) and H2 (equivalent to ISO 102400) (p.180).
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