Cop y, C high-speed sync – Canon Speedlite 600EX-RT User Manual

Page 27

With high-speed sync, the flash can synchronize with all shutter
speeds. This is convenient when you want to use aperture-priority AE
for fill-flash portraits of a subject.

Display <c>.

Press function button 4 to
display .

Check that is lit in the
viewfinder.

c High-speed Sync

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.

To return to normal flash shooting, press function button 4 to
turn off .

High-speed sync is not available during stroboscopic flash.

When using the flash with EOS cameras compatible with E-TTL and
released up to 2011, high-speed sync is not possible with radio
transmission wireless flash shooting (p.51).

With high-speed sync, the faster the shutter speed, the shorter the
effective flash range will be. Check the effective flash range on the LCD
panel.

COP

This manual is related to the following products:

Speedlite 600EX