Canon EOS 550D 用户手册

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 Using the Built-in Flash

 

If the subject is far away, increase the ISO speed.
By increasing the ISO speed, you can extend the flash range.

 

In bright light, decrease the ISO speed.
If the exposure setting in the viewfinder blinks, decrease the ISO speed.

 

Detach the lens hood and keep at least 1 meter/3.3 feet away 
from the subject.
If the lens has a hood attached or you are too close to the subject, 
the bottom of the picture might look dark due to the obstructed flash. 
For important shots, check the image on the LCD monitor to make 
sure the flash exposure looks good (not dark at the bottom).

Using the red-eye reduction lamp before taking a flash picture can 
reduce red eye.
Red-eye reduction will work in any shooting mode except <7> <3> 
<5> <k>.

 

Under the [1] tab, select [Red-eye 
reduc.], then press <0>. Select 
[Enable], then press <0>.

 

For flash photography, when you 
press the shutter button halfway, the 
red-eye reduction lamp will light. Then 
when you press the shutter button 
completely, the picture will be taken.

3

 

The red-eye reduction feature is most effective when the subject looks at 
the red-eye reduction lamp, when the room is well lit, or when you go 
closer to the subject.

 

When you press the shutter button halfway, the 
viewfinder display on the bottom will gradually turn 
off. For best results, take the picture after this display 
turns off.

 

The effectiveness of red-eye reduction varies depending on the subject.

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