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~
Using the Built-in Flash
In the
P lTv
I
Av
IM/B
shooting
modes, you can press the
<
~
> button
to pop-up and fire the built-in flash
whenever desired. If the built-in flash
has popped up, you can push it back
down with your fingers. In the <
0
> (Full
Auto) mode, the built-in flash fires
automatically (p.50). In the <
~
> mode,
you can set it to fire automatically or
manually (p.53).
Using flash in the
P
I
Tv /Av /M /B
shooting modes will set the shutter
speed and aperture as shown below. In any shooting mode, E-TTL II autoflash
control will take effect to suit the manually- or automatically-set aperture.
p
Tv
Av
M
B
Automatically set within 1/250 sec. - 1/60 sec.
Manually set within 1/250 sec. - 30 sec.
Automatically set
With [,IQ,C.Fn I -7: Flash sync. speed in Av
mode]
(p.207), the following options for
automatic selection can be selected:
• 0: Auto*
• 1: 1/250 - 1/60 sec. auto
• 2: 1/250 sec. (fixed)
Manually set within 1/250 sec. - 30 sec.
While you hold down the shutter button, the
exposure will continue.
Automatically
set
Automatically
set
Set manually
Set manually
Set manually
I
*
Normally, the sync speed is set automatically within 1/250 sec. to 30 sec. to suit
the ambient brightness. In low light, the main subject is exposed with the
automatic flash, and the background is exposed with a slow shutter speed set
automatically. Both the subject and background look properly exposed
(automatic slow-speed flash sync). With slow shutter speeds, using a tripod is
recommended.
111
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