Canon EOS 50D Instruction Manual page 110

Using the Built-in Flash
*
FE Lock*'
FE (flash exposure) lock obtains and locks the correct flash exposure
reading for any part of a subject.
1
Press the <
~
> button to pop-up
the built-in flash.
• Press the shutter button halfway and
look in the viewfinder to check that
the
<
~
>
icon is lit.
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4
Focus the subject.
Press the <
*
>
button. (816)
• Aim the viewfinder center over the subject
where you want to lock the flash
exposure, then press the <
*
>
button.
~
The flash will fire a preflash and the
required flash output is calculated
and retained in memory.
~
In the viewfinder, "FEL" is displayed
for a moment and
<
~
*
>
will light.
• Each time you press the
<
*
> button, a
preflash is fired and the required flash output
is calculated and retained in memory.
Take the picture.
• Compose the shot and press the
shutter button completely.
.. The flash is fired to take the picture.
4)
If the subject is too far away and beyond the effective range of the flash, the
<
~
> icon will blink. Get closer to the subject and repeat steps 2 to 4.
110