Canon have launched a new flagship flash, the Speedlite 600EX-RT.
- Built-in wireless radio transmitter, which eliminates the need for accessory radio slave units and their inherent limitations
- Radio-based Wireless E-TTL can be performed with up to 15 Speedlite 600EX-RT "slave units", used off-camera up to 98.4 feet (30m) away
- Fully compatible with Canon's legacy optical-based Wireless E-TTL technology
- Enhanced weather-resistant construction
- Flash head zoom range now reaches from 20mm to 200mm
- Includes gelatin filters and a dedicated filter holder to help photographers match ambient light