YongNuo's new high-end wireless TTL master flash is now available. YongNuo YN600EX-RT can be bought here in our shop or on eBay.
YongNuo YN600EX-RT is a powerful wireless TTL master flash and fully compatible with Canon 600EX-RT, Canon ST-E3-RT and Yongnuo YN-E3-RT. As well as Canons new radio based RT flash system, it supports Canons optical TTL flash system. New to a YongNuo flash is the USB firmware update function.