High-Speed Sync; Second-Curtain Sync - Canon SPEEDLITE 430EX II Instruction Manual

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High-Speed Sync
With high-speed sync (FP flash), the flash can synchronize with all
shutter speeds. This is convenient when you want to use aperture
priority for fill-flash portraits.
Zoom S[]mm
Unm
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ETTL
Press the
<~H/~>
button so that
<~>
is displayed.
• Check that the <
~H
> icon is lit in the
viewfinder.
Ell •
If you set a shutter speed that is the same or slower than the camera's
maximum flash sync speed,
<
~H
>
will not be displayed in the viewfinder.
• With high-speed sync, the faster the shutter speed, the shorter the
effective flash range will be. Check the LCD panel for the maximum flash
range for the respective shutter speed .
• To return to normal flash, press the
<~H/~>
button so that <'I> icon
turns off.
~
Second-Curtain Sync
With a slow shutter speed, you can create a light trail following the
subject. The flash fires right before the shutter closes.
ETTL
Zoom
SOmm
Press the <
~H/t:I>
> button so that
<~>
is displayed.
Ci l •
Second-curtain sync works well in the camera's "bulb" mode.
• To return to normal flash, press the
<
~H/t:I>
>
button. The
<
~
>
icon will
disappear.
• With E-TTL IIIE-TTL, when you press the shutter button completely, a
preflash will be fired. Then right before the shutter closes, the main flash
is fired.
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