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Impressive Output Range

Take your creative photography to the next level with a Canon Speedlite 430 EX III Flash. Its impressive output range and versatile swivel head delivers improved functionality and creative control.

E-TTL Compatibility

Compatible with E-TTL and E-TTL II the 430EX flash measures a guide number of 43m ISO100 at 105mm for a power output that is perfect for a range of lighting scenarios.

Swivel Head Design

Its updated flash head design which improves upon its predecessors by delivering a the ability to rotate 150° right and 180° left, plus tilt upwards 90° for superior flexibility when bouncing light onto reflectors, ceilings, walls and more.

Bright LCD Display

Inherited from the premium 600EX, the 430EX III now features a easy to read and navigate LCD display at the rear. A multi-dial setup has also been integrated into the design for improved adjustment and navigation of various flash functions and modes.

Adjustable Power Output

Powered by 4x AA batteries, its light output can be fine-tuned manually, with adjustable increments between 1/1 and 1/128th power available at 1/3-step increments.

Fast Recycle Time

A fast 0.1-3.5 second recycle time caters to rapid-fire shooting when using AA or LR6 Alkaline batteries. A Quick Flash mode can be utilised for even faster performance, reducing the firing interval to between 0.1 and 2.5 seconds.

Optical Slave Compatibility

With a built-in optical slave mode, the 430EXIII allows photographers to achieve exciting results with complex on-and-off-camera lighting set-ups. Using your on-camera flash or a remotely triggered primary flash the 430EX delivers the potential to experiment with creative off-camera or multiple flash techniques and effects.

Includes Bounce Adapter & Colour Filter

To provide even better control of the light, the Canon 430 EX III features a 14mm diffuser and catch-light card built-into the flash head. In the box, Canon have also provided a SBA-E2 bounce diffuser for even softer light and a SCF-E2 tungsten colour conversion filter for more accurate white balance performance when shooting under indoor lighting.

The Canon Speedlight 430 EX III is also available in an RT version which features a built-in radio transmitter.
E-TTL II/E-TTL autoflash Shoe-mount Speedlite
Compatible cameras
Type-A EOS cameras (E-TTL II/E-TTL autoflash)* Autoflash is not possible when using Type-B EOS cameras.
Flash Head
Guide No
Approx. 43/141.1 (at 105 mm flash coverage, ISO 100, in meters/feet)* Without colour filter or bounce adapter
Flash Coverage
Supports a shooting angle of view with a lens focal length of 24-105 mm (with wide panel use: 14 mm)• Automatic setting (Automatically sets the flash coverage depending on the shooting angle of view and the image sensor size.)• Manual setting
90° up, 150° left, 180° right Bounce adapter provided can be used
Flash duration
Normal flash: Approx. 1.8ms or less, Quick flash: 2.3ms or less
Colour temperature
Yes (lens shift-type), approx. 3.5-stop [13].
information transmission
Intelligent IS with 5-axis Advanced Dynamic IS
Colour filter
Colour filter provided can be used
Exposure Control
Exposure control system
E-TTL II/E-TTL autoflash, manual flash
Effective flash range (with EF50mm f/1.4 lens at ISO 100)
Normal flash: Approx. 0.7 - 23.6 m / 2.3 - 77.4 ft. Quick flash: Approx. 0.7 - 13.6 m / 2.3 - 44.6 ft. (at Guide No. 19.1/62.7, in meters/feet) High-speed sync: Approx. 0.7 -12.8 m / 2.3 - 42.0 ft. (at 1/250 sec.)
Flash exposure compensation
±3 stops in 1/3- or 1/2-stop increments
FE lock
Possible with the camera's Multi-function button or FE lock/AE lock buttons
High-speed sync
Possible* During radio transmission wireless shooting, high-speed sync is possible only with EOS DIGITAL cameras released in and after 2012 (except with EOS 1200D)
Manual flash
1/1 - 1/128 power (1/3-step increments)
Modelling flash
Fired with camera's depth-of-field preview button or Speedlite's test flash button
Flash Recycling
Firing interval (Recycling time)
Normal flash: Approx. 0.1 - 3.5 sec., Quick flash: Approx. 0.1 - 2.5 sec.* When using AA/LR6 alkaline batteries
Flash-ready lamp
Lights up in red: normal flash available Lights up in green: Quick flash available
AF-Assist Beam
Emission method
Switchable in Personal Functions between Intermittent flashes (a series of small flashes) and Infrared AF-assist beam
Emitting small series of flashes
Supported during viewfinder shooting, and Quick mode during Live View shooting or movie shooting Effective distance: At centre: Approx. 0.7 - 4 m / 2.3 - 13.1 ft. At periphery: Approx. 0.7 - 3.5 m / 2.3 - 11.5 ft.
Infrared AF-assist beam
Centre AF point in viewfinder supported Effective distance: Approx. 0.7 - 8 m / 2.3 - 26.2 ft.
Optical Transmission Wireless Slave Function
Connection method
Optical pulse
Wireless settings
Ch. 1 - 4
Slave unit setting
Firing group A, B, C
Reception angle
±40° horizontally and ±30° vertically, facing the master unit
Slave flash charge indication
AF-assist beam emitter blinks and flash-ready lamp lights up on the slave unit
Customisable Functions
Custom Functions
10 types
Personal Functions
430EX III: 8 types / 430EX III: 6 types
Power Source
Speedlite power source
Four AA/LR6 alkaline batteries* AA/HR6 Ni-MH batteries can be used
Battery life (number of flashes)
Approx. 180 - 1200 times* When using AA/LR6 alkaline batteries
Auto power off
Power off after approx. 90 sec. of idle operation* When set as slave unit: approx. 60 min.
Dimensions and Weight
Dimensions (W x H x D)
Approx. 70.5 x 113.8 x 98.2 mm
430EX III: Approx. 295g (Speedlite only, excluding batteries)
Operating Environment
Working temperature range
0 °C - 45 °C / 32 °F - 113 °F
Working humidity
85 % or less

* Specifications subject to change by the manufacturer without notice
  • Canon 430 EX III Speedlite
  • Flash Stand
  • Bounce Adapter (SBA-E2)
  • Tungsten Colour Filter (SCF-E2)
  • Manufacturer Warranty

    This product comes with a

    12month Australian warranty

    from Canon Australia

    Want to read more about warranties?

    Click here


    * Dispatch timeframes are indications only and may vary for multiple quantities. Timeframes are updated regularly during normal business hours.