Miha, > Philip, wihtout a problem. This feature is called "optical slave" > and many flash units have it. > > What you loose in such situation is [E-]TTL. So, put your 550EX in > Manual slave mode and set the apperture and power on it.
The Sigma 500 (that you have, don't you?) can do that, but not the 550EX. The 550EX only works as slave of the Canon wireless system, even when you use it as a manual wireless slave -regards, Gerard. * **** ******* *********************************************************** * For list instructions, including unsubscribe, see: * http://www.a1.nl/phomepag/markerink/eos_list.htm ***********************************************************
