Iso Speed Settings For Still Photos - Canon EOS 90D Advanced User's Manual

ISO Speed Settings for Still Photos

Set the ISO speed (image sensor's sensitivity to light) to suit the ambient
light level. In Basic Zone modes, ISO speed is set automatically.
Regarding the ISO speed during movie recording, see = 620.
ISO Speed Guide
Low ISO speeds reduce image noise but may increase the risk of

camera/subject shake or reduce the area in focus (shallower depth of
fi eld), in some shooting conditions.
High ISO speeds enable low-light shooting, a larger area in focus (deeper

depth of fi eld), and longer fl ash range but may increase image noise.
1
Press the <i> button (9).
You can also press the < Q > button and

confi gure this setting from the Quick
Control screen.
2
Set the ISO speed.
Turn the < 6 > or < 5 > dial.

Select [A] or [AUTO] to set the ISO

speed automatically ( = 614).
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