Canon T5 사용자 설명서

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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.89).
1
Press the <Wi> button.
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>.
 
With [AUTO] selected, the ISO speed 
will be set automatically (p.89).
ISO Speed Guide
* High ISO speeds will result in grainier images.
i
: Changing the ISO SpeedN
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.101).
ISO 400 - 1600
Overcast skies or evening time
ISO 1600 - 6400, H
Dark indoors or night
 
Under [53: Custom Functions (C.Fn)], if [2: ISO expansion] is set to 
[1: On], “H” (equivalent to ISO 12800) can also be set (p.258).
 
Under [53: Custom Functions (C.Fn)], if [10: Flash button function
is set to [1: ISO speed], you can set the ISO speed with the <D> button.
 
Under [53: 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.