Hong Kong Yong Nuo Photographic Equipment have officially announced their knock-off version of the Canon ST-E2 Wireless Speedlite Transmitter is “coming soon” with the following features (translated from Chinese):
1. Wireless TTL flash control
2.25 m AF assist lamp
3. Support the exposure compensation FEC
4. Support Exposure Bracketing FEB
5. Support flash imaging depth of field preview
6. Fuselage rotating
7. To support four wireless channels
8. Light synchronization options than the control
9. Support 580 EX 430EX
10. Support YongNuo EX series flash
See images on the product page here.
Notice feature number 10 in the list: “Support YongNuo EX series flash”. Does this mean Yongnuo are making slave flashes compatible with Canon’s infrared wireless E-TTL system?
UPDATE from Yongnuo:
We do will have a model EX flahes to come next year.