Canon EOS REBEL T2i 用户手册

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: Changing the ISO SpeedN

If the ISO speed is set to “AUTO”, the 
actual ISO speed to be set will be 
displayed when you press the shutter 
button halfway. As indicated below, the 
ISO speed will be set automatically to 
suit the shooting mode.

*1: Depending on the maximum ISO speed that has been set.
*2: If fill flash results in overexposure, ISO 100 or a higher ISO will be set.
*3: In the <d/8> modes and Basic Zone modes <except 6>, ISO 400 - 

1600 will be set automatically if bounce flash is used with an external 
Speedlite. If the maximum ISO speed has been set to [400] or [800], the ISO 
speed will be set within this range.

For Auto ISO, you can set the maximum ISO speed within ISO 400 - 
6400.

Under the [y] tab, select [ISO Auto], 
then press <0>. Select the ISO speed, 
then press <0>.

1/7/3/4/5/6/C

Automatically set within ISO 100 - 3200

d

/s/f/a/8

Automatically set within ISO 100 - 6400

*1

2

Fixed at ISO 100

With flash

Fixed at ISO 400

*2*3

3

 Setting the Maximum ISO Speed for Auto ISON

When “AUTO” is set, the ISO speed will be displayed in whole-stop 
increments of 100, 200, 400, 800, 1600, or 3200. However, the actual ISO 
speed may be set more precisely. Therefore, in the image’s shooting 
information, you may find an ISO speed like 125 or 640 displayed as the 
ISO speed.

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