Slave Flash, TTL, E-TTL (Canon), Manual, E-TTL II (Canon)
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Hähnel - MODUS 600RT MK II - Speedlight - for Canon - Wireless connectivity - TTL, Manual & Multi Modes - Quick-lock hot shoe - Built-in 2.4GHz wireless receiver & transmitter
Clifton Cameras
Hahnel Modus 600RT MK II Speedlight - Canon
OnBuy
(For Canon) Hahnel Modus 600RT MKII Wireless Speedlight Flash Camera Speedlite