The big news with the new flagship Canon Speedlite 600EX-RT is the addition of radio triggering. There's also an expanded zoom range of 20-200mm, increased maximum output and improved reliability.
A professional flash unit from Canon. The 580EX II recycles 20% faster than the previous version and has improved durability.
The Elinchrom Ranger A Speed Head is for use with the Ranger RX flash packs and features a flash duration as short as 1/5120 second.
When you need a portable flash pack with enough power to dominate the midday sun, the Elinchrom Ranger RX Speed AS is your friend. This kit has the Freelite A flash head.
Renowned Elinchrom light in an easy to use, dependable mono head is what the Style RX 600 is all about. Power output ranges from 18 Ws to 600 Ws and flash duration is as short as 1/2050s.