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World’s First Flash Equipped with an AI Bounce Function*.
With its revolutionary Auto Intelligent (AI) Bounce function*, the Speedlite 470EX-AI delivers a level of advanced, automatic operation that makes sophisticated flash photography both simple and fast. By automatically calculating the distance from the flash to the subject along with the wall or ceiling, the Speedlite 470EX-AI determines the optimal bounce angle and swivels into position to capture the appropriate camera exposure and flash output. It can maintain the same bounce angle even when the camera orientation is switched between vertical and horizontal – simply tap the shutter button twice to automatically reposition the flash head, preserving the same bounce angle and saving time to help prevent missed shots. Thanks to AI Bounce, professional-looking flash photography can be achieved with ease.
AI.B Full-auto Mode and AI.B Semi-auto Mode Settings.
Featuring full and semi-automatic modes, the Speedlite 470EX-AI’s Auto Intelligent (AI) Bounce function enhances the photography of bounce flash beginners and experts alike. With AI.B Full-auto mode, the flash can choose the optimal flash angle and exposure parameters, delivering natural lighting effects with ease. With AI.B Semi-auto mode, users can determine their own bounce settings and the flash can automatically maintain its angle even when the photographer changes between horizontal and vertical camera orientation. All you need to do is press the shutter button twice and the flash head will automatically move into position, providing fast flash shooting with minimal interruption.
Maximum Guide Number of 47 (154 ft./47m) at ISO 100.
Boasting power for numerous shooting situations in a compact and lightweight package, the Speedlite 470EX-AI has a guide number of 47 (when focal distance is at 105mm). Even when shooting with telephoto lenses, or if the subject moves away from the camera, the Speedlite 470EX-AI can provide an ample burst of light for bright and evenly illuminated compositions.
AF Assist Beam Emission in Low-light Scenes.
The Speedlite 470EX-AI is designed to help the camera achieve sharp focus, especially in situations where the AF system may experience difficulties. With a default infrared beam system, the Speedlite 470EX-AI emits a steady infrared beam toward the subject, even during bounce shooting. This helps achieve sharp AF using up to 19 of the camera’s AF points. When the chosen AF point is towards the edge of the frame, the Speedlite 470EX-AI can emit an intermittent series of flashes that illuminate the entire frame, helping to ensure sharp focus and matching flash
Technical SpecificationsMain Unit Spec
|Type-A EOS cameras (E-TTL II/E-TTL autoflash) With Type-B EOS cameras, only manual flash and second-curtain sync are possible.
|The maximum Guide No. is approximately 154 ft./47m at ISO 100 and 105mm flash coverage. When the extendable wide panel is pulled out, the flash coverage is 14mm.
|Number of Flashes
|When using flash only and AA/LR6 alkaline batteries Approx. 115-800 flashes When using flash only and AA/HR6 Ni-MH batteries Approx. 140-966 flashes Nominal min. time when using 1900mAh type AA/HR6 Ni-MH batteries. Based on Canon Testing Standards.
|When using flash only and AA/LR6 alkaline batteries Normal flash: 0.1-5.5 sec. Quick flash: 0.1-3.9 sec. When using flash only and AA/HR6 Ni-MH batteries Normal flash: 0.1-3.5 sec. Quick flash: 0.1-2.8 sec. Nominal min. time when using 1900mAh type AA/HR6 Ni-MH batteries. Based on Canon Testing Standards.
|Effective flash range with EF 50mm f/1.4 lens at ISO 100 and standard light distribution Normal Flash: Approx. 2.3-77.1 ft./0.7-23.5m Quick Flash (at Guide No. 66.3 ft./20.2m): Approx. 2.3-47.2 ft./0.7-14.4m High-speed Sync (at 1/250 sec. shutter speed): Approx. 2.3-41.0 ft./0.7-12.5m
|AF Assist Beam
|System: Infrared AF-assist beam Compatible AF System: TTL second image formation phase-difference AF Supporting 1-19 AF points (28mm or longer focal length) Phase-difference AF during viewfinder shooting Quick mode during Live View shooting and movie shooting Effective Range (Approx.): At center: 2.3-32.8 ft./0.7-10.0m At periphery: 3.3-16.4 ft./1.0-5.0m
|10 Custom Functions 9 Personal Functions
|Four AA-size/LR6 alkaline batteries Size-AA/HR6 Ni-MH batteries also usable. Lithium batteries cannot be used.
|Flash unit: Approx. 2.94 x 5.13 x 4.14 in./74.6 x 130.4 x 105.1mm Bounce adapter: Approx. 3.08 x 2.19 x 1.58 in./78.3 x 55.7 x 40.2mm
|Flash unit (excluding batteries): Approx. 13.6 oz./385g Bounce adapter: Approx. 0.53 oz./15g