Canon Speedlite 600EX RT User Manual

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The Canon Speedlite 600EX-RT/600EX is a high-output, multi-feature 
flash unit for Canon EOS cameras, compat ble with E-TTL II, E-TTL and 
TTL autoflash and external flash metering systems. The Speedlite can 
be used as an on-camera flash that attaches to the hot shoe of the 
camera (normal shooting), and as a master unit or slave unit during 
wireless shooting. In addition to these three functions, the Speedlite 
also has dust and water resistance equivalent to EOS-1D series 
cameras.
Note that the 600EX-RT is equipped with a wireless flash shooting 
function that uses either radio transmission or optical transmission. The 
600EX is equipped with a wireless flash shooting function that uses 
optical transmission only.
 
Read this instruction manual while also referring to your 
camera’s instruction manual.
Before using the Speedlite, read this instruction manual and your 
camera’s instruction manual to familiarize yourself with the Speedlite 
operations.
 
Using with an EOS digital camera (Type-A camera)
• You can use the Speedlite for easy autoflash shooting in the same 
way as a camera’s built-in flash.
 
Using with an EOS film camera
• When using with an EOS film camera compatible with E-TTL II 
and E-TTL autoflash systems (Type-A camera), you can use the 
Speedlite for easy autoflash shooting in the same way as a 
camera’s built-in flash.
• When using the Speedlite with an EOS film camera compatible 
with TTL autoflash system (Type-B camera), see page 116.
* This instruction manual assumes that the Speedlite is used with an 
Type-A camera.
Introduction
Using the Speedlite with a Camera