HELP needed for Canon Flash

[MatthewSCL]

i am using EOS 5....thinking of switching from 540EZ flash to 550EX.....

in this case, can i use the 550ex with a 420ez to do studio photography?

i understand they talk in ETTL...but eos 5 using Attl...

any ideas guys? :dunno:

 

[Belle&Sebastain]

you could custom function EX550 to TTL mode.

PM if you need help on this.