ok this might sound like silly question for the more experienced flash gurus among us but here it is anyway ..
Lets say Im using off camera strobes and a zoom lense, my is a 18-70 and I am at a focal length of 35mm and my is set at 1/125th. I take an incidental reading with a handheld and the right is for eg. f11 ..
Now my question is if I start shooting pictures at the correct and start zooming my and changing focal lengths, will this affect the ??