If you shoot small lights long enough, you will run up against some limitations. You might be trying to light big areas, or trying to get a combo of soft light with a large working distance. Most likely, you might be trying to light against full sun. Or, obviously, any combination of the above.
Suffice to say that at some point you might want a big gun in your lighting bag. But how do you choose? Read more ยป
Strobist