How to enable high speed sync (FP Flash) on the 430EX II Speedlite
Article ID: ART131186
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Date published: 05/12/2015
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Date last updated: 08/17/2015
Description
How to enable high speed sync (FP Flash) on the 430EX II Speedlite
Solution
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 <> is displayed.
Check that the <> icon is lit in the viewfinder.
If you set a shutter speed that is the same or slower than the camera's maximum flash sync speed, <> 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 <> button so that <> icon turns off.
> button so that <
> is displayed.
> icon is lit in the viewfinder.