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
<4
h
>
icon lights in the viewfinder.
• High-speed sync can be used in the
<P>, <Tv>, <Av>,
and
<M>
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.
1
Set the desired picture-taking
mode.
Set the high-speed sync switch to
<V
h
>.
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