Great, working condition. Includes carrying case.

The Canon Speedlite 580EX II is a powerful, professional-grade flash unit that was widely used by photographers for its reliability, power, and versatile features. Here are the key technical specifications:

General Features

• Guide Number: 58 meters / 190 feet at ISO 100 (at 105mm focal length)

• Flash Coverage:

  • 24mm to 105mm (full-frame equivalent)

  • 14mm with built-in wide panel

• Zoom: Auto and manual zoom head (24-105mm)

• Bounce Angle:

  • Up: 0° to 90°

  • Left: 0° to 180°

  • Right: 0° to 180°

  • Down: 0° to 7° (for close-up work)

Flash Modes

• E-TTL II / E-TTL / TTL: Automatic flash exposure control

• Manual Flash: Power output from 1/1 to 1/128 in 1/3-stop increments

• High-Speed Sync (FP): Yes

• Flash Exposure Compensation: ±3 stops in 1/3 or 1/2 stop increments

• Flash Exposure Bracketing: Yes

• Modeling Flash: Yes, via depth-of-field preview button on the camera

Wireless Flash

• Wireless Master/Slave Functionality:

  • Optical wireless transmission

  • Can be used as both a master and a slave unit

  • Communication channels: 4

  • Slave groups: 3 (A, B, and C)

Recycle Time

• Recycle Time: Approximately 0.1 to 5.5 seconds, depending on battery type and power level

• Flash Duration: 1/200 to 1/20,000 second

Power

• Power Source: 4x AA batteries (alkaline, NiMH, or lithium)

• External Power: Compatible with Canon CP-E4 battery pack for faster recycle times and longer battery life

Construction

• Durability: Improved dust and water resistance over the original 580EX

• Weight: Approximately 375g / 13.2 oz (without batteries)

• Dimensions: 76mm x 134mm x 114mm / 3.0 in x 5.3 in x 4.5 in

Additional Features

• Custom Functions: 14 customizable settings to tailor performance to specific needs

• Auto Power Off: Yes, with auto power-saving feature

• AF Assist Beam: Effective range of up to 10 meters, supports all Canon EOS AF points

• PC Sync Port: Yes, for connecting to external triggers

• LCD Display: Backlit for easy reading in low light

The Canon Speedlite 580EX II is recognized for its robust performance in various shooting conditions, making it a go-to flash for many professional photographers.