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Set the ISO speed (image sensor’s sensitivity to light) to suit the
ambient light level. In the Basic Zone modes, the ISO speed is set
automatically.
1
Press the <Z> button. (9)
X [ISO speed] will appear.
2
Select the ISO speed.
Turn the <6> dial or press the
<V> key to select the ISO speed.
You can also look at the ISO speed in
the viewfinder while turning the
<6> dial.
ISO Speed Guide
About Auto ISO
This mode sets the ISO speed automatically between ISO 100 - 800 to
suit the shooting mode and ambient light level. For flash and <a>
(manual) exposures, ISO 400 is set. When you press the shutter button
halfway, the automatically-set ISO speed is displayed in the viewfinder
and on the LCD monitor.
Z: Changing the ISO SpeedN
ISO Speed Normal (No flash) Flash Range
100/200 Sunny outdoors
The higher the ISO speed, the
farther the flash range will be.
(p.58)
400/800 Overcast skies, evening
1600 Night or dark indoors
Using a high ISO speed or shooting in high-temperature conditions may
result in more grainy images. Long exposures can also cause irregular
colors in the image.
Under the [7 Custom Functions (C.Fn)] menu, if [Highlight tone
priority] (p.156) is set to [1: Enable], the settable ISO speed range will
be ISO 200 - 1600.