Help guide – Sony a7C Mirrorless Camera (Black) User Manual

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Interchangeable Lens Digital Camera

ILCE-7M3

α7III

ISO

Sensitivity to light is expressed by the ISO number (recommended exposure index). The larger the number, the higher
the sensitivity.

Menu item details

ISO AUTO:
Sets the ISO sensitivity automatically.
ISO 50 – ISO 204800:
Sets the ISO sensitivity manually. Selecting a larger number increases the ISO sensitivity.

Hint

You can change the range of ISO sensitivity that is set automatically in [ISO AUTO] mode. Select [ISO AUTO] and press the right
side of the control wheel, and set the desired values for [ISO AUTO Maximum] and [ISO AUTO Minimum].

Note

[ISO AUTO] is selected when using the following functions:

[Intelligent Auto]
[Scene Selection]

When the ISO sensitivity is set to a value lower than ISO 100, the range for recordable subject brightness (dynamic range) may
decrease.

The higher the ISO value, the more noise will appear on the images.

The available ISO settings will differ depending on whether you are shooting still images, shooting movies, or shooting slow-
motion/quick-motion movies.

When shooting movies, ISO values between 100 and 102400 are available. If the ISO value is set to a value larger than 102400,
the setting is automatically switched to 102400. When you finish recording the movie, the ISO value returns to the original setting.

When shooting movies, ISO values between 100 and 102400 are available. If the ISO value is set to a value smaller than 100,
the setting is automatically switched to 100. When you finish recording the movie, the ISO value returns to the original setting.

When you select [ISO AUTO] with the shooting mode set to [P], [A], [S] or [M], the ISO sensitivity will be automatically adjusted
within the set range.

ISO (ISO) on the control wheel → select desired setting.

You can also select MENU→

(Camera Settings1) → [ISO].

You can change the value by 1/3 EV steps by turning the front dial as well as by turning the control wheel. You
can change the value by 1 EV steps by turning the rear dial.

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