The Canon Speedlite 580EX II is Canon's flagship Flash, with maximum Guide of 190' (58 m) at ISO 100 (at 105mm focal length), supports E-TTL II/E-TTL/TTL autoflash and features 20% shorter recycle time than previous generation and silent recycling. A host of improvements are introduced, including a metal hot shoe with an improved locking mechanism for added durability, an external metering sensor for non-TTL automatic flash exposure control and a PC Terminal for use with non-dedicated slave triggers.
