- Full auto operation with manual override
- High power (Guide number of 58 @ 105mm, 100 ISO)
- Compatible with ETTL and ETTL-II cameras
- Auto zoom head (covering 24-105mm)
- 14mm coverage with included wide-panel
- Illuminated rear LCD screen
- Auto focus assist beam (with full coverage for 45-point AF camera models)
- 270 degree swivel head
- 90 degree bounce head
- 14 Custom Functions to customise operation
- Built-in catchlight reflector
- Built-in transmitter to control other compatible Speedlites

- Built-in slave function
- Powered by 4 AA batteries (alkaline/Ni-Cd/Ni-MH)

 Included Accessories
- Soft Case for Speedlite 580EX II
- Stand for Speedlite 580EX II

Optional Accessories
- Speedlite Bracket SB-E1
- CP-E3 External Power Pack (8 x AA batteries)
- Wireless transmitter ST-E2