G: Setting The Iso Speed For Still Photos - Canon EOS REBEL T7I Basic Instruction Manual

g: Setting the ISO Speed for Still PhotosN
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.
ISO Speed Guide
ISO Speed
ISO 100 - ISO 400
ISO 400 - ISO 1600
ISO 1600 - ISO 25600, H
* High ISO speeds will result in grainier images.
108
Press the <g> button
1
Set the ISO speed.
2
While looking in the viewfinder or at

the LCD monitor, press the <Y>
<Z> keys or turn the <6> dial to
select the desired ISO speed, then
press <0>.
ISO speed can be set within ISO 100 -

ISO 25600.
With [AUTO] selected, the ISO speed

will be set automatically.
When setting under [z2: zISO

speed] (shown on the left), you can
press the <B> button to set the
ISO speed to [AUTO].
Shooting Situation
(No flash)
Sunny outdoors
Overcast skies or
evening time
Dark indoors or night
(9).
Flash Range
The higher the ISO speed,
the farther the effective flash
range will be (p.125).