Product Description: The Canon Speedlite 580EX II is a powerful external flash unit designed for Canon EOS digital SLR cameras. It offers advanced features and versatility, making it an essential tool for professional photographers and enthusiasts alike. With its high guide number, fast recycling times, and extensive range of creative options, the 580EX II provides exceptional lighting control for various shooting scenarios. Product Features: High Power Output: The Speedlite 580EX II features a high guide number of 58 (meters) at ISO 100, providing ample illumination even in challenging lighting conditions. E-TTL II Flash Metering: Equipped with Canon's E-TTL II (Evaluative Through-The-Lens) flash metering system, the 580EX II delivers accurate and consistent flash exposures. Wireless Flash Control: Offers wireless flash capability for off-camera lighting setups, allowing for creative lighting effects. It supports both optical and radio transmission methods for remote flash triggering and control. Swivel and Tilt Head: The flash head can be tilted up to 90 degrees vertically and rotated up to 180 degrees horizontally, enabling bounce flash photography for softer, more natural-looking lighting. Built-in Diffuser and Reflector: Includes a built-in wide-angle diffuser and catchlight panel for softening and diffusing the light, as well as a retractable bounce card for fill-flash effects. Custom Functions: Provides a range of customizable settings and functions to tailor the flash performance to specific shooting preferences and situations. Fast Recycling Times: Offers quick recycling times, allowing for rapid shooting and minimal downtime between flashes. LCD Display: Features a clear LCD display with intuitive controls for easy navigation and adjustment of flash settings. Condition: Used, sings of use What's Included: Canon Speedlite 580EX II Flash Unit