How to enable high speed sync (FP Flash) on the 430EX II Speedlite
Article ID: ART131186 | Date published: 05/12/2015 | 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.

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