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Adjust the camera’s sensitivity to light.

Press the sensitivity dial lock release, rotate the dial to the desired setting, and press the release again to lock the dial in place.

Option Description
Sensitivity is automatically adjusted in response to shooting conditions according to option chosen for A[SHOOTING SETTING] > [ISO AUTO SETTING]. Choose from [AUTO 1], [AUTO 2], and [AUTO 3].
Rotate the front command dial to choose from [AUTO1], [AUTO2], [AUTO3], and values of from 50 to 102400. Values of 50 or over 25600 are referred to as “extended values”.
[12800][100] Adjust sensitivity manually. Selected value is shown in display.

Adjusting Sensitivity

High values can be used to reduce blur when lighting is poor, while lower values allow slower shutter speeds or wider apertures in bright light; note, however, that mottling may appear in pictures taken at high sensitivitie.

Auto Sensitivity ([A])

Use A[SHOOTING SETTING] > [ISO AUTO SETTING] to choose the base sensitivity, maximum sensitivity, and minimum shutter speed for the [A] position on the sensitivity dial. Settings for [AUTO 1], [AUTO 2], and [AUTO 3] can be stored separately; the defaults are shown below.

Option Default
[AUTO 1] [AUTO 2] [AUTO 3]
[MAX. SENSITIVITY] 800 1600 3200

The camera automatically chooses a sensitivity between the default and maximum values; sensitivity is only raised above the default value if the shutter speed required for optimal exposure would be slower than the value selected for [MIN. SHUTTER SPEED].

If the value selected for [DEFAULT SENSITIVITY] is higher than that selected for [MAX. SENSITIVITY], [DEFAULT SENSITIVITY] will be set to the value selected for [MAX. SENSITIVITY].

The camera may select shutter speeds slower than [MIN. SHUTTER SPEED] if pictures would still be underexposed at the value selected for [MAX. SENSITIVITY].