580EX - Speedlite for powershot a high & flash unit for the digital age with enhanced basic features
Combining the strengths of its predecessor 550EX while providing additional functions at higher speeds, the SPEEDLITE 580EX is Canon's new flagship flash unit featuring a higher maximum guide number, shorter recycle time, autozoom control for image sensor size, and design improvements for easier handling by digital SLR users ranging from professional to advanced amateur.
Canon Speedlight 580EX f PowerShot, 13.2 oz (375 g)
Canon Speedlight 580EX f PowerShot. Approx. number of flashes: FP Flash, TTL, E-TTL, E-TTL II, Guide number (ISO 100, set at 35mm zoom): 2283.5" (58 m), Focal length range: 24 - 105 mm. Power supply type: AA. Weight: 13.2 oz (375 g), Dimensions (WxDxH): 2.95 x 4.49 x 5.28" (75 x 114 x 134 mm)