3i: Changing the ISO SpeedN

Set the ISO speed (image sensor’s sensitivity to light) to suit the ambient light level. In Basic Zone modes, the ISO speed is set automatically (p.112).

You can set the ISO speed with the following: 1. ISO display on the Live View screen, 2. <XL> button assigned with the menu’s Custom Function, 3. Menu screen, and 4. BQuick Control screen.

Using the Live View screen’s ISO Display

1

2

Select the ISO speed.

Tap the ISO display on the LCD monitor’s lower right.

Set the ISO speed.

Tap the ISO display and select the desired ISO speed, then tap [2]. With [AUTO] selected, the ISO speed will be set automatically (p.112).

Assigning [ISO speed] to the <XL> Button with the

Custom Function Menu

With C.Fn-6, you can assign the ISO speed setting to the <XL> button (p.287).

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