The EF-500 Super is Sigma's flagship TTL flash for 5 different camera systems. You will find features designed for the professional, at a much more at

The EF-500 Super is Sigma's flagship TTL flash for 5 different camera systems. You will find features designed for the professional, at a much more attractive price than the comparably equipped manufacturer's flashes. A fantastic all-around flash for a 35mm autofocus SLR shooter.