Canon Speedlite 600 EX-RT User Manual

51

' Radio Transmission Wireless Flash Shooting

When performing radio transmission wireless flash shooting, 
restrictions may apply to the flash mode, maximum flash sync speed 
(referred to below as the “flash sync speed”) and high-speed sync 
function, depending on the camera that you use.

 

EOS digital cameras released since 2012
When using the flash with a camera such as the EOS-1D X, you can 
shoot without any restrictions on the flash mode and flash sync 
speed.

 

EOS cameras compatible with E-TTL and released up to 2011
When using the flash with the cameras listed below, radio 
transmission wireless shooting using E-TTL autoflash is not 
possible. Shoot with manual flash (p.31), stroboscopic flash (p.33) 
or optical wireless transmission (p.75).

EOS-1Ds, EOS-1D, EOS-1V, EOS-3, EOS ELAN II(E)/
EOS 50(E), EOS REBEL 2000/EOS 300, EOS REBEL G/
EOS 500N, EOS 66/EOS Rebel XS N/EOS 3000 N, EOS IX(E), 
EOS IX Lite/EOS IX 7

Also, when using the flash with a film or digital camera released up 
to 2011, the following restrictions apply.

1. The flash sync speed is 1 increment slower

Check the flash sync speed (X = 1/*** sec.) of your camera, 
and shoot with a shutter speed up to a maximum of 1 stop 
slower than the flash sync speed (Example: When X = 1/250 
sec., radio transmission wireless shooting is possible from 
1/125 sec. to 30 sec.). Also, high-speed sync shooting is 
not possible. When you set the shutter speed 1 increment 
slower than the flash sync speed, the <k> warning icon will 
disappear.

2. Group flash is not possible (p.65).

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