• 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 support is available for both radio and optical transmission, offering users greater functional range when using a flash.
• Multiple flash system allows control of up to five groups of flashes.

The Speed lite 600EX II-RT delivers impressive power, responsive performance and advanced, wireless communication for those who demand the very best 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 help ensure priority shutter operation, even when the flash isn’t fully recharged. It’s also built for