Got my three flashes and the manual. Seems to be working fine (very basic testing) with a 5DmkII
In the manual it states that E-TTL is not possible with the older cameras, such as the 1D, 1Ds, 1V, Elan, 50, Rebel 2000, etc.
It also says that with a pre 2012 camera you have to use a flash sync speed 1 increment slower and high speed sync is not available. Again minimal testing, but I'm using HSS successfully, and am not compensating by a stop. Even though I'm getting the !Tv warning (occasionally) they said I would get.
FYI
In the manual it states that E-TTL is not possible with the older cameras, such as the 1D, 1Ds, 1V, Elan, 50, Rebel 2000, etc.
It also says that with a pre 2012 camera you have to use a flash sync speed 1 increment slower and high speed sync is not available. Again minimal testing, but I'm using HSS successfully, and am not compensating by a stop. Even though I'm getting the !Tv warning (occasionally) they said I would get.
FYI