HI EVERYONE
I have 2 580Ex and I do kown that I can use the canon wireless. However, the distance is not very good for a open space or church. I m going to purchase the Pocket Wizard Plus, my question is: do I need 1 Transmitter + 1 Reciever, or 1 Trans + 2 reciever since I have 2 Canon 580EX, please advice, thx.



