Shanny SN-E3-RT is a Canon ST-E3-RT / 600EX-RT compatible radio transmitter with extended functionallity over Canons original ST-E3-RT. It is also able to work as optical e-TTL master for Canon, which makes it compatible with Canon 580EX II, 430EX II,and many other flashes supporting Canons optical e-TTL flash system.
It is the perfect companion for photographers having flashes of Canons RT flash system and Canons optical flash system or plan to upgrade to RT compatible flashes in future.
- 5 groups instead of 3 of the original one
- 15 channels
- Radio and optical e-TTL transmitter mode (alternatively)
- USB updatable
- Big multi-color LCD screen
- AF assist beam
- Quick lock hot-shoe
A detailed review is available from Flashhavoc.