Item description: The most powerful flash unit in the Canon Program with a key number 58 (ISO 100/21 °) in position 105 mm of the zoom reflector - suitable for various recording situations such as telephoto shots or indirect flashing. When using wide -angle lenses up to 14 mm, the light angle can be changed. This flash unit can be used as a master for wireless control of compatible slave units or even as a slave for other speedlite trigger such as the ST-E2. The Speedlite 580ex is a central element of the integrated flash system in both analog and digital SLR cameras. It is fully compatible with the distance-coupled E-TTL II flash control system of a variety of current EOS cameras. When used with an EOS SLR camera EOS-1D Mark II or EOS 20D, the zoom flash automatically adapts to the sensor.
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