so I got the cb04 cable for oly cam..
I bought a hotshoe-pc sync cable too..
then I attach my SIGMA EF500 to the shoe... no flash..
I attach my SIG to a s602z, no flash.....
I attach the sigma to my eos 50.. flash until blind and happy..
how to mask the contacts or do something to make it ISO X?
dun wanna buy another big gun flash just for the oly leh...