canon 2805B002 Speedlite 430Ex Ii flash.The fully swiveling bounce head zooms mechanically over a range of 24mm-105mm. Its Wireless E-TTL II compatibility allows it to serve as as a slave unit, triggered by a 580EX, ST-E2, or MR-14EX. Any choice of 430EX and 550EX Speedlites can also be combined as slave units for creative.Compatibility: All canon EOS cameras; PowerShot G series cameras.
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Superior build quality, including a metal foot for added strength
Approximately 20% faster recycling time, in comparison to previous 430EX II
1-Touch Quick-Lock Mechanism for simple attaching/detaching flash from camera
Full flash keep an eye on conceivable on camera menu, with compatible EOS digital SLRs
Zoom head full frame: 24mm-105mm, virtually silent operation