Enable high speed sync (FP flash) on the 320EX Speedlite.

Article ID: ART112072 | Date published: 05/11/2015 | Date last updated: 08/17/2015


Enable high speed sync (FP flash) on the EX Speedlite.


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

Select [Shutter sync.].
  • Select [Shutter sync.] and press .

Set [Hi-speed].

  • Set [Hi-speed] and press
  • High-speed sync is set.
  • Check that < > is lit in the viewfinder.
  • If you set a shutter speed that is equal to or slower than the camera's maximum flash sync speed, < > will not be displayed in the viewfinder.
  • With high-speed sync, the faster the shutter speed, the shorter the effective flash range will be.
  • To return to normal flash firing, set [Shutter sync.] to [1st curtain].



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