Canon EOS 100D, Basic Instruction Manual

Page: 214 / 533

98
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.99).
1
Press the <
i
> button.
(
9
)
X [ ISO speed ] will appear.
2
Set the ISO speed.
Press the <
Y
> <
Z
> keys or turn the
<
6
> dial to select the desired ISO
speed, then press <
0
>.
You can also set the ISO speed by
turning the <
6
> dial while viewing
the ISO speed setting in the
viewfinder.
With [ AUTO ] selected, the ISO speed
will be set automatically (p.99).
ISO Speed Guide
* High ISO speeds will result in grainier images.
i
: Changing the ISO Speed
N
ISO Speed
Shooting Situation
(No flash)
Flash Range
ISO 100 - 400 Sunny outdoors
The higher the ISO speed,
the farther the flash range
will extend (p.111). ISO 400 - 1600 Overcast skies or evening time
ISO 1600 - 12800, H Dark indoors or night
Under [
5
4: Custom Functions (C.Fn) ], if [ 2: ISO expansion ] is set to [ 1:
On ], “ H ” (equivalent to ISO 25600) can also be set (p.300).
Under [
5
4: Custom Functions (C.Fn) ], if [ 3: Highlight tone priority ] is
set to [ 1: Enable ], ISO 100 and “ H ” (equivalent to ISO 25600) cannot be
selected (p.301).
Shooting in high temperatures may result in images that look grainier.
Long exposures can also cause irregular colors in the image.