Canon Speedlite 470EX-AI Flash

Canon Speedlite 470EX-AI Flash Flash Performance • Flash Type: E-TTL II / E-TTL Auto Flash • Maximum Guide Number: Approx. 47m / 154ft at ISO 100, 105mm Flash Coverage • Flash Coverage: 24–105mm • Wide Panel Coverage: 14mm • Exposure Control: E-TTL II / E-TTL Auto Flash / Manual Flash • Manual Flash Output: 1/1 to 1/128 Power, in 1/3-Step Increments • Flash Exposure Compensation: ±3 Stops in 1/3- or 1/2-Stop Increments AI Bounce • AI Bounce: Auto Intelligent Bounce Function • AI.B Full-Auto: Supported • AI.B Semi-Auto: Supported • Manual Bounce: Supported • Upward Bounce Angle: 0° to 120° • Left Rotation: 0° to 180° • Right Rotation: 0° to 180° • Bounce Adapter: Supported Flash Synchronization • High-Speed Sync: Supported • First-Curtain Sync: Supported • Second-Curtain Sync: Supported • FE Lock: Supported • Modelling Flash: Supported Effective Flash Range • Normal Flash: Approx. 0.7–23.5m • Quick Flash: Approx. 0.7–14.4m • High-Speed Sync: Approx. 0.7–12.5m at 1/250 sec. Based on an EF 50mm f/1.4 lens at ISO 100 with standard light distribution. Recycling Time • Normal Flash with AA Alkaline Batteries: Approx. 0.1–5.5 sec. • Quick Flash with AA Alkaline Batteries: Approx. 0.1–3.9 sec. • Normal Flash with Ni-MH Batteries: Approx. 0.1–3.5 sec. • Quick Flash with Ni-MH Batteries: Approx. 0.1–2.8 sec. Battery & Flash Capacity • Power Source: 4 × AA/LR6 Alkaline Batteries • Ni-MH Support: AA/HR6 Ni-MH Batteries Supported • Alkaline Battery Life: Approx. 115–800 Flashes • Ni-MH Battery Life: Approx. 140–966 Flashes • Lithium AA Batteries: Not Supported AF Assist • AF-Assist System: Infrared AF-Assist Beam • Supported AF Points: 1–19 AF Points with 28mm or Longer Focal Length • Effective Range at Centre: Approx. 0.7–10m • Effective Range at Periphery: Approx. 1–5m Wireless Flash • Wireless System: Optical Transmission • Wireless Function: Receiver Unit • Transmission Channels: 1–4 • Receiver Groups: Up to 3 Groups (A / B / C) Compatibility • Compatible Cameras: Type-A EOS Cameras with E-TTL II / E-TTL Autoflash • Type-B EOS Cameras: Manual Flash and Second-Curtain Sync Only • Mounting: Camera Hot Shoe Customisation • Custom Functions: 10 • Personal Functions: 9 Dimensions & Weight • Dimensions: Approx. 74.6 × 130.4 × 105.1mm • Weight: Approx. 385g, excluding batteries • Bounce Adapter Dimensions: Approx. 78.3 × 55.7 × 40.2mm • Bounce Adapter Weight: Approx. 15g Operating Environment • Operating Temperature: 0°C to 45°C • Operating Humidity: 85% or Less