Canon Speedlite 580EX II Repair

• Type: On-camera, E-TTL II/E-TTL/TTL autoflash Speedlite
• Compatible Cameras:
  • Type-A EOS cameras (E-TTL II/E-TTL autoflash)
  • Type-B cameras (TTL autoflash)
• Flash Duration:
  • Normal Flash: 1.2 ms or shorter
  • Quick Flash: 2.3 ms or shorter
• Flash Coverage: 24 - 105 mm (14 mm with wide panel)
• Flash Range:
  • Normal flash: 0.5 - 30 m (1.6 - 98.4 ft)
  • Quick flash (min): 0.5 - 7.5 m (1.6 - 24.6 ft)
  • Quick flash (max): 0.5 - 21 m (1.6 - 68.9 ft)
  • High-speed sync: 0.5 - 15 m (1.6 - 49.2 ft), at 1/250 sec
• AF-assist Beam Range: 0.6 - 10 m (2.0 - 32.8 ft)
• Wireless Slave Channels: 4
• Power Source: Four AA Batteries
• Dimensions:
  • Width: 76 mm (3.0 in)
  • Height: 137 mm (5.4 in)
  • Depth: 117 mm (4.6 in)
• Weight: 405 g (14.3 oz)

Source: Canon Instruction Manual

Wikipedia: Canon EOS flash system

Canon Instruction Manual