pafs

thanks for your time and your answer.

i put the camera in manual mode iso 100 speed 1/125

then i meter the main studio flash with the flashmeter using the test button on my radio frequencies i get an f number of e.g 8

i set the 550 on e-ttl

i use the second studio flash for backgrounds so i don't really bother with it.

i do not meter the 550 cause when i fire the 550 it fires the studio flash too so i get an f number of 1.8

the problem is that sometimes i dont get the result i wish

by the way i would be grateful if u could suggest a decent book

for themes like this

thanks again

I am confused on metering,using 2 studio flashes and a 550 ex.I am using radio

frequencies to trigger the studio flashes while i mount the 550 on the hot shoe

of a 30D.I am using a minolta flashmeter but i would appreciate any comments on

how do i have to work so i get anything right.

Any help welcome.

using eos 300d and a550 ex and 2 studio flashes in e-ttl mode makes

the studio flashes operate before the 550ex .using ttl mode the

550ex doesn't operate at all.what can i do to make them work

together?