The first thing you have to ask yourself before choosing the flash setting for your umbrella is, how big do you want your light source to be? But before we get to that, let’s make sure we all know what we mean by “zoom setting.”
Remember, your flash was designed to provide coverage for a wide array of lens focal lengths when the flash is mounted on camera and firing in the direct mode. But that was (hopefully) way back in the dark ages for you. And most likely, you are now using the zoom function of your flash for more creative purposes.
