The Canon Speedlite 580EX II Shoe Mount Flash is a high-quality accessory designed for digital cameras. With a guide number of 58m/Iso 100 and a lens coverage of 24mm-105mm, this flash unit provides excellent lighting control for a range of photography styles. Featuring a weight of 375g and dimensions of 11.4cm depth, 13.4cm height, and +180 / -180 horizontal rotation angle, the Speedlite 580EX II is a versatile option for Canon camera users. Additionally, it offers features such as flash exposure compensation, wireless remote control, E-TTL, zoom, AF assist light, and TTL, making it a valuable tool for capturing professional-quality photos.