High-Speed Sync

With high-speed sync, you can shoot with a flash even at shutter speeds that exceed the maximum flash sync shutter speed. This is effective when you want to shoot in the aperture-priority AE Aperture-priority AE mode (open aperture) with background blur in locations such as outdoors in daylight.

  1. Push the joystick vertically.

  2. Select an item in (1).

    • Push the joystick up / down / left / right or turn Select dial to select an item, and push the joystick vertically.
  3. Select High-speed sync.

    • Press the joystick to the left or right, turn Select dial to select High-speed sync to select, then push the joystick vertically.
    • Check that High-speed sync is lit in the viewfinder, then shoot.


  • With high-speed sync, the faster the shutter speed, the lower the guide number becomes. You can check the effective flash range on the LCD panel.
  • To avoid degrading and damaging the flash due to overheating, the number of sequential firings during continuous shooting may be reduced with high-speed sync flashes.


  • If the shutter speed is less than the maximum flash synchronization shutter speed, High-speed sync will not be displayed in the viewfinder.
  • To return to normal flash, select First-curtain sync (first curtain sync) in step 3 (First-curtain sync is not displayed on the screen after setting).