User Activity

So I am finally getting into printing my own images.  However, I now have another learning curve regarding this whole process.  My question is about calibration.  Of course I want to calibrate my monitor - I can either buy a relative inexpensive colo...
I believe that my 70D should change exposure compensation on my 580 exII on my camera using ETTL mode.  Although my camera does fire the flash it does not change the exposure compensation on my flash from my camera.  I KNOW THAT THIS IS LINE OF SIGHT...