Canon 580EX II User Manual

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With a slow shutter speed, you can create a light trail following the 
subject. The flash fires right before the shutter closes.
Press the <E> button so that 
<
r> is displayed.
r
 Second-Curtain Sync
 
Second-curtain sync works well in the camera’s “buLb” mode.
 
To return to normal flash, press the <E> button again. The <r> 
icon will disappear.
 
With E-TTL II/E-TTL, two flashes will be fired even at slow shutter 
speeds. The first flash is only the preflash, and not a malfunction.
 
Stroboscopic flash cannot be set.
 
Wireless flash cannot be set.
A65_02.fm  Page 26  Thursday, November 23, 2006  1:27 PM
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