Canon EOS 650D, Instruction Manual

Page: 90 / 376

90
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.91).
1 Press the <
i
> button.
(
9
)

[ ISO speed ] will appear.
2
Set the ISO speed.

Press the <
U
> key or turn the
<
6
> dial to select the desired ISO
speed, then press <
0
>.

You can also set the ISO speed in the
viewfinder while turning the <
6
>
dial.

With [ AUTO ] selected, the ISO speed
will be set automatically (p.91).
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
100 - 400 Sunny outdoors
The higher the ISO speed,
the farther the flash range
will extend (p.104). 400 - 1600 Overcast skies or evening time
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.294).

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.295).

Shooting in high temperatures may result in images that look grainier.
Long exposures can also cause irregular colors in the image.
> key or turn the > key or turn the
> dial to select the desired ISO > dial to select the desired ISO
speed, then press < speed, then press <
You can also set the ISO speed in the You can also set the ISO speed in the
viewfinder while turning the < viewfinder while turning the <
dial. dial.
With [ With [ AUTO AUTO
will be set automatically (p.91). will be set automatically (p.91).
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Shooting Situation
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Overcast skies or evening time
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