Take the picture – Canon 420EX User Manual
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High-Speed Sync (FP Flash)
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Take the picture.
• Focus the subject, check that the
<^> icon is lit in the viewfinder, then
take the picture.
Q • Using high-speed sync changes the Guide No. See page 50.
• If you want to set the aperture, first set the camera to the < Av> or <M> mode.
•With high-speed sync, the Guide No. changes depending on the sync speed.
The faster the sync speed, the shorter the effective flash range will be.
• To cancel high-speed sync, set the high-speed sync switch back to < • >.
When the < Av> mode is set for fiil flash and high-speed sync is set, the sync
speed will not be limited to the normal sync speed. If necessary, a faster sync
speed will be set automatically in the high-speed sync mode.
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