The Speedlite 430EX II provides a level of versatility and capability to flash photography, the Speedlite 430EX II features a powerful flash (guide number of 141 ft./43m at ISO 100) with a fast recycling time in a compact, durable body. A one-touch quick-lock mechanism makes it easy to attach or detach the 430EX II from the camera and a metal foot has been added for strength and durability. Flash controls can now be set through the camera's LCD screen on compatible EOS Digital SLR cameras. The Speedlite 430EX II is also quieter, recycle time is 20% faster (as compared to the 430EX) and since it is compatible with Canon's wireless E-TTL, it can be used as an affordable "slave unit".

Compatible w/ all EOS cameras. E-TTL II w/ EOS-1Ds Mark III, 1Ds Mark II, 1D Mark III, 1D Mark II N, 1D Mark II, 5D Mark II, 5D, 50D, 40D, 30D, 20D, Rebel T1i, Rebel XSi, Rebel XS, ELAN 7NE, 7N, Rebel T2. E-TTL w/ EOS-1v, 1Ds, 1D, 10D, D60, D30, Digital Rebel XTi, Digital Rebel XT, Digital Rebel, D2000, ELAN 7E, 7, IIE, II, Rebel Ti, K2, 2000, G, GII, IX, IX Lite.

Features:

• Superior build quality, including a metal foot for added strength
• Approx. 20% faster recycling time, compared to previous 430EX
• One-touch, quick-lock mechanism for easy attaching/detaching flash from camera
• Full flash control possible on camera menu, with compatible EOS Digital SLR cameras
• Virtually silent flash recycle
• Full swivel, 180° in either direction
• Zoom flash head covers range of 24-105mm; maximum guide number 141 ft./43m at ISO 100

• Mode: E-TTL II, E-TTL, TTL

• All Canon EOS cameras; PowerShot G series cameras

• 141 ft./43m (at ISO 100); flash head at 105mm zoom setting

• Fixed condenser lens with inner zoom: (1) Auto Zoom, (2) Manual Zoom, (3) Wide Panel
• Zoom positions: 24mm, 28mm, 35mm, 50mm, 70mm, 80mm, 105mm; Indicated by numerals on the LCD's focal length display
• Image Size Zoom Control: With cameras compatible with auto zoom, it zooms automatically to match the camera's image size

• Approx. 200 to 1,400, with AA-size Alkaline Batteries manufactured within the last three months or AA-size Ni-MH fully-charged batteries

• Approx. 0.1 to 3.7 seconds (AA-size Alkaline Batteries)/0.1 to 2 seconds (AA-size Ni-MH batteries)

• At ISO 100, with EF 50mm f/1.4
• For normal flash: Approx. 2.3-79.7 ft./0.7-24.3m
• For high sync speed (EF flash): Approx. 2.3-39.4 ft./0.7-12m

• Built-in; covers all focus points in EOS cameras up to 9 AF points
• Effective range At center: Approx. 2.3-32.8 ft./0.7-10m
• Effective range Periphery: Approx. 2.3-16.4 ft./0.7-5m (in total darkness)

• Six user-selectable Custom Functions built-in; set on Speedlite's LCD panel

• Four AA-size Alkaline Batteries (6V); Four AA-size Ni-MH (4.8V)

• External power supply: compatible with Dust- and Water-Resistant External Power Pack, Canon battery pack CP-E3 and Transistor Pack E

• 2.8 x 4.8 x 4.0 in./72 x 122 x 101mm

• 11.6 oz./330g (without batteries)