Canon EOS REBEL T2i 说明手册

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页码 260
98
FE lock locks the flash exposure setting over the desired area of the 
subject. This feature can also be used with a Canon EX-series Speedlite.
* FE stands for Flash Exposure.
1
Press the <D> button to pop-up 
the built-in flash.
 
Press the shutter button halfway and 
look in the viewfinder to check that 
the <D> icon is lit.
2
Focus the subject.
3
Press the <A> button. 
(8)
 
Aim the spot-metering circle over the 
subject, then press the <A> button.
X
The flash will fire a preflash and the 
required flash output is calculated 
and retained in memory.
X
In the viewfinder, “FEL” is displayed 
for a moment and <d> will light.
 
Each time you press the <A> button, 
a preflash is fired and the required 
flash output is calculated and retained 
in memory.
4
Take the picture.
 
Compose the shot and press the 
shutter button completely.
X
The flash is fired to take the picture.
A
 FE LockN
If the subject is too far away and beyond the effective range of the flash, the 
<D> icon will blink. Get closer to the subject and repeat steps 2 to 4.
Spot metering circle
COP
Y