Canon PowerShot SX70 HS Digital Camera - Manual (Page 98)

Changing the ISO Speed
Set the ISO speed to [AUTO] for automatic adjustment to suit the shooting
mode and conditions. Otherwise, set a higher ISO speed for higher
sensitivity, or a lower value for lower sensitivity.
1
button → [ ] → choose an option
z Adjusting ISO Auto Settings
You can limit the maximum ISO speed set automatically.
1
[ ISO speed settings] → [Max
for Auto]
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