Press the button so that, 09high-speed sync, Second-curtain sync – Canon Speedlite 430EX User Manual
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09High-Speed Sync
With high-speed sync, you can use flash with all shutter speeds. This is
convenient when you want to use aperture priority for fill-flash portraits.
Press the
button so that
• Check that the <
^ icon is lit in the
viewfinder.
ETTL
Zoom
50
imn
51 • If you set a shutter speed that is the same or slower than the camera’s
maximum flash sync speed,
h
> wil 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 <4
h
/
i
»> button so that
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.
Press the
button so that
ETTL
Zoom 50
mm
0
5 • Setting the shooting mode to 'buLb' will make it easier for second-
curtain sync.
• To return to normal flash, press the
button so that the ’>
icon turns off.
• With E-TTL ll/E-TTL, the flash will fire twice even with a slow sync speed.
The first flash is the preflash.
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