Canon Speedlite 600EX II-RT

The Speed lite 600EX II-RT delivers impressive power, responsive performance and advanced, wireless communication for individuals who demand the easiest in flash photography. Featuring improved continuous performance up to 2.0x* faster than its predecessor, the Speed lite 600EX II-RT performs at a phenomenal speed, and reliably at that – new Quick Flash settings and a flash-readiness indicator lend a hand ensure priority shutter operation, even if the flash isn’t fully recharged. It’s also built for fast, convenient use virtually anywhere for any situation, with improved combination button and dial controls, a refined dust- and water-resistant body and new accessories tailor-made for enhanced lighting effects. For speedy and comprehensive flash photography at the go, the Speed lite 600EX II-RT delivers portable, professional performance with ease.
Improved performance of continuous flash by approx. 1.1 to 1.5x* for fast firing (up to 2.0x* if used with optional Compact Battery Pack CP-E4N).
Wireless flash shooting give a boost to is to be had for both radio and optical transmission, offering users greater functional range when the usage of a flash.
A couple of flash system allows regulate of up to five groups of flashes.