Cyber-shot User Guide
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Top page > Using MENU items (Shooting) > MENU items (Shooting) > ISO

## ISO

Adjusts the luminous sensitivity when the camera is set to Program Auto or [Underwater] is selected in Scene Selection. In movie mode, [ISO] is fixed to [Auto]. You cannot change the settings.

1. MENU (ISO) desired mode

| (Auto) | Sets the ISO sensitivity automatically.
| ///// | You can reduce image blurring in dark locations or with moving subjects by increasing the ISO sensitivity (select a larger number).

Adjusting ISO Sensitivity (Recommended Exposure Index)
ISO sensitivity is a speed rating for recording media that incorporates an image sensor that receives light. Even when the exposure is the same, images differ depending on the ISO sensitivity.
High ISO sensitivity
Records a bright image even in dark locations while increasing shutter speed to reduce blur.
However, the image tends to become noisy.
Low ISO sensitivity
Records a smoother image.
However, when the exposure is insufficient, the image may become darker.
Related Topic
MENU items not available in some REC modes
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