Canon EOS 4000D, Instruction Manual

Page: 90 / 322

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.92).
1
Press the <
W i
> button.
 [ 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
>.

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 to Suit the Light Level
N
ISO Speed
Shooting Situation
(No flash)
Flash Range
ISO 100 - ISO 400 Sunny outdoors
The higher the ISO
speed, the farther the
flash range will extend
(p.104).
ISO 400 - ISO 1600 Overcast skies or evening time
ISO 1600 - ISO 6400, H Dark indoors or night
Under [
5
3: Custom Functions (C.Fn) ], if [ 2: ISO expansion ] is set to
[ 1: On ], “ H ” (equivalent to ISO 12800) can also be selected (p.258).

Under [
5
3: Custom Functions (C.Fn) ], if [ 6: Highlight tone priority ] is
set to [ 1: Enable ], ISO 100 and “ H ” (equivalent to ISO 12800) cannot be
selected (p.261).

Shooting in high temperatures may result in images that look grainier.
Long exposures can also cause irregular colors in the image.

When you shoot at high ISO speeds, noise (such as dots of light and
banding) may become noticeable.