High-speed sync (fp flash) – Canon 420EX User Manual

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High-Speed Sync (FP Flash) —■

When the flash mode is set to high-speed sync (FP flash), the flash can

synchronize with shutter speeds faster than the camera's fastest sync

speed. When high-speed sync is set, the

icon lights in the viewfinder.

• High-speed sync can be used in the

, , ,

and

modes.

• High-speed sync is effective when you want to:

(1) Blur the background for a daylight portrait.

(2) Create a catchlight in the subject's eyes.

(3) Soften harsh shadows on the subject’s face.

With FP flash.

With normal flash.

Set the desired picture-taking
mode.

Set the high-speed sync switch to