Canon's premier Speedlite, for all photographers, including professionals.Newly designed with improved dust/water resistance and greater body strength, the 580 EX II Speedlite also features fast recycling time and a full 180 degree swivel in either direction.

Compatible with EOS1Ds Mark III, EOS1Ds Mark II, EOS1Ds, EOS1D Mark III, EOS1D Mark II N, EOS1D Mark II , EOS 5D Mark II, EOS 5D, EOS 7D, EOS 50D, EOS 40D, EOS 20D, EOS 30D, EOS 10D, EOS 350D, EOS 450D, EOS 300D, EOS 400D, EOS 1000D, EOS1V, EOS1V HS, EOS 3, EOS 30V, EOS 33V, EOS 300V, EOS 300Xm EOS 3000V, EOS 3000N and Powershot G11, G10, G9, G7, G6, G3, G5, G2, G1, S5 IS, SX20 IS, SX10 IS, SX1IS, Pro90IS, Pro70, Pro1

Powerful and Efficient

E-TTL II flash metering utilising lens distance information with pre-flash to balances flash with ambient light for more evenly lit and natural looking photos even if the subject includes highly reflective objects
High power flash output with maximum guide number of 58 at 105mm setting (ISO 100, metres)
Highly efficient power supply design providing up to 20% improvement in flash recycle time
Autozoom control with selected digital SLR cameras to automatically match the flash head to the effective focal length of the camera ensuring greater accuracy and optimal output
Colour temperature information transmission with selected digital SLR cameras ensuring optimal colour balance setting for flash output
Professional Features

High-speed (FP) sync mode, Flash Exposure Bracketing (FEB) and Flash Exposure (FE) Lock
Built-in transmitter and receiver offering fully wireless automatic flash with up to three groups of multiple Speedlites that can be controlled from the 580EX II or optional Wireless Transmitter ST-E2
Manual flash output between 1/1 to 1/128 in 1/3 stop increments
Stroboscopic flash output between ¼ to 1/128 with frequency range of 1 to 199Hz
14 Custom Functions with 32 settings permitting customisation of operation to personal preferences
Dust and water resistant system - Exterior seams and joints, window edges, moving parts and the control panel are sealed against dust and water
Silent recycling oscillation frequency is beyond the hearing ability of humans
External metering system work with the flash reflecting off the subject measured by the external metering system
Advanced Design

Autozoom head covering a range of 24-105mm or as wide as 14mm with built-in wide panel engaged
Built-in AF-assist beam compatible with EOS multi-point AF systems including 45-point Area AF types
Fully swivelling head with stops at 60, 75, 90, 120, 150 and 180 degrees
Flexible bounce head with stops at 7 (down), 45, 60, 75 and 90 degrees
Built-in catchlight reflector allowing a catchlight to be added quickly and conveniently to portraits
Improved reliability with direct contacts with the new metal quick lock and quick release mounting foot, improves connection and communication reliability