Sigma FP - ISO SENSITIVITY SETTING; ISO SENSITIVITY EXPANSION

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ISO SENSITIVITY SETTING
You can set the ISO sensitivity for shooting.
To set the ISO sensitivity, open the Quick Set menu or select [ /
SHOOT] → [ISO Sensitivity Settings] → [ISO Sensitivity].
ISO Auto (ISO Auto)
(Default)
The sensitivity is automatically set depending on
the brightness. (100 to 6400)
ISO 100 to 25600
The sensitivity is fixed to each value.
You can change the ISO sensitivity setting step.
[ / SHOOT] → [ISO Sensitivity Settings] → [ISO Sensitivity Step]
1 EV
1/3 EV (Default)
ISO SENSITIVITY EXPANSION
This function allows you to expand the ISO sensitivity setting range.
[ / SHOOT] → [ISO Sensitivity Settings] → [ISO Sensitivity
Expansion]
Composite Low ISO Expansion
High ISO Expansion
When each of them is set to [On], expanded sensitivity is added. (Added
sensitivity settings are underlined.)