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Introduction
The Canon Speedlite 430EX III-RT/430EX III is an EOS-dedicated
external Speedlite, compatible with E-TTL II/E-TTL autoflash systems.
The Speedlite can be used as an on-camera flash that attaches to the
hot shoe of the camera (normal shooting), as a master unit or slave unit
(430EX III-RT only) during radio transmission wireless flash shooting,
and as a slave unit (430EX III-RT/430EX III) during optical transmission
wireless flash shooting.
Wireless Flash Shooting
Radio transmission
wireless function
Optical transmission
wireless function
Before Starting to Shoot, Be Sure to Read the Following
To avoid botched pictures and accidents, first read the "Safety
Precautions" (pages 8-9).
Read This Instruction Manual While Also Referring to Your
Camera's Instruction Manual
Before using the product, read this instruction manual and your
camera's instruction manual to familiarize yourself with their operations.
Using the Speedlite with a Camera
Using with an EOS DIGITAL camera (Type-A camera)
You can use the Speedlite for easy flash shooting by autoflash
control in the same way as a camera's built-in flash.
Using with an EOS film camera
An EOS camera with E-TTL II/E-TTL autoflash metering
system (Type-A camera)
You can use the Speedlite for easy flash shooting by autoflash
control in the same way as a camera's built-in flash.
An EOS camera with TTL autoflash metering system (Type-B
camera)
See page 102.
* This instruction manual assumes that the Speedlite is used with a
Type-A camera.
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430EX III-RT
Master
Slave
Master
Slave
430EX III
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