Yongnuo USA recently introduced 2nd generation Wireless TTL flash trigger YN622C II with USB Firmware update support.The Yongnuo YN622C II has a sliding hot-shoe lock and a switch to toggle between 622 (TTL) and 560-TX (manual) compatibility modes. It comes with a LEDs to display settings and allow you to make adjustments, also support an AF assist beam to help …
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