Multiple Flash Power

“If I use two flashes side by side, does it increase flash power or coverage?”
“What‘s the difference between using a 300 w/s flash vs using a 600 w/s one at half power? For example, if i shoot most of my flash photography in a small home studio, why would I need a light with more power output than 300 watt-seconds, since that will light most normal sized rooms? Am i missing something?” Continue Reading