Yongnuo YN460-TX Commander

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YN460-RX Speedlight
Based on the body of the classic YN-460 flash, the YN460-RX (picture) has a built-in 2.4GHz radio receiver that is designed to work 200m+ away from the Commander. Compare this with only 100m+ claimed for the RF-602 series. As well as 7 manual power settings, the Speedlight is compatible with TTL, rear curtain sync and flash exposure compensation. Sixteen YN460-RX speedlights may be used at once. The manufacturer does not specify whether the flash is capable of high speed sync.
There are many different modes on the receiver flash:
M: manual mode, standalone (just like a classic YN-460)
WT: wireless TTL automatic group
M1: wireless manual group 1
M2: wireless manual group 2
WX: in this mode, the receiver will automatically switch to the mode (TTL, M1, M2) currently selected on the YN460-TX.
All these buttons and lights may seem a bit daunting, so Yongnuo have helpfully provided a set of demonstration videos.
Apparently, in the wireless manual modes, no camera is necessary to adjust the power from the Commander. This means you could use another triggering system for your Yongnuo and non-Yongnuo flashes and have the YN460-TX as a handheld controller.
Where to buy
According to De.Rec.Fotografie, the Yongnuo 2.4G Wireless TTL System will be available “in the next 2 months” at a price of around €200 for a basic YN460-TX/YN460-RX kit. Both Canon and Nikon versions are in the works, but the Canon version is the one on show at Photokina. Please note that the Yongnuo 2.4G Wireless TTL System will not be compatible with the RF-602 2.4GHz Wireless Triggers.
Upon release, the system will be available from Yongnuo’s official eBay store with a 12 month warranty.