The Canon Speedlite 580EX II is a powerful external flash unit designed for Canon EOS digital SLR cameras. It provides photographers with additional lighting options, allowing for better control over lighting conditions and enhancing overall image quality. With its advanced features and versatility, the Speedlite 580EX II is suitable for a wide range of photography styles, including portraits, events, and indoor/outdoor shooting situations. Product Features: Compatible with Canon EOS digital SLR cameras, offering seamless integration and communication with the camera's exposure system. Guide Number of 58m/190 ft. (ISO 100, at 105mm focal length), providing ample light output for various shooting conditions. Zoom flash head covers a wide range of focal lengths from 24mm to 105mm, with an extended range of up to 14mm with the built-in wide panel. Powerful flash output with fast recycling times, allowing for rapid shooting and continuous operation. Wireless flash control capability when used with compatible Canon EOS digital SLR cameras, enabling off-camera flash setups for creative lighting effects. E-TTL II (Evaluative Through-The-Lens) flash metering system for accurate and consistent flash exposures. Multi-mode flash operation, including E-TTL II, Manual flash, and Multi flash (strobe) mode for creative lighting effects. Built-in bounce card and wide panel for further light modification options. Custom functions and settings for personalized flash control and customization. Compact and durable design, with weather-sealed construction for reliable performance in various shooting conditions. Condition: Used, Good Condition What's Included: Canon Speedlite 580EX II flash unit