The 580EX II is Canon’s top-of-the-line, professional grade external flash.
Approximately 20% faster recycling time compared to 580EX.
Max. guide No. 58 at 105mm setting (GN 190, feet).
Auto conversion of flash coverage with compatible digital SLR cameras.
Dust and water-resistant, with full swivel; 180° in either direction.
AF-assist beam, compatible with all AiAF points on every EOS SLR.