Flash
Only in rare cases, extremely short exposure time is important and that's when you shoota bottle was needed. For lovers of low-cost solutions, unfortunately this is not goodnews. Simple studio lights do not flash time adjustment, and indeed even the more advanced very rarely have this option. I use hardware broncolor Swiss company, whichin the top models of generators provides a degree of control of this parameter. Eventhough the shortest time, I achieve only the lowest powers the flash.