Source:
https://www.cactus-image.com/v6ii.html
Cactus V6 II is the World’s First wireless flash trigger that supports cross-brand TTL, cross-brand High-speed Sync (HSS), and can remote control power output and zoom angle of Canon, Fujifilm, Nikon, Olympus, Panasonic, Pentax and Sigma system flashes all at the same time.
Major features:
1. Cross-brand TTLworks across Canon5 , Fujifilm, Nikon, Olympus, Panasonic, Pentax and Sigma flashes all at the same time;
2. Cross-brand wireless manual power and zoom control with HSS support of Canon, Fujifilm, Nikon, Olympus, Panasonic and Pentax flashes;
3. Two cross-brand high-speed sync modes:
- Normal HSS supports shutter speeds up to 1/8000s;
- Power Sync boosts flash contribution above camera’s x-sync speed;
4. Multi-master supports up to 20 photo*graphers firing the same set of flashes at their own power settings
5. AF-assist light assists focusing in low light environment;
6. Flash profile customization ensures accurate power output;
7. Work seamlessly with the RF60 series to support wireless TTL, HSS and Power Sync;
8. Other useful features inherited from the V6 including:
Lo Power
Absolute Power
TTL Pass-through
Group Sequence
Sports Shutter
Remote Shutter
Relay Mode
Delay Mode
Firmware Update support