Canon
600EX RT
Wireless Speedlight
The Canon 600RT is the powerful new successor to the 580EXII Speedlite. It features a new wireless multiple flash system which uses radio wave communication, and can provide precise control over as many as 5 groups of flashes.
Other features include 2 colour filters (a light and dark orange) and a filter holder for gelatin filters, a built in AF-assist beam, compatible with Canon's new 61-Point AF system, and 18 Custom Functions for creative flexibility. Zoom flash head covers a wide range, from 20 to 200mm.