1.The flash head contains flash tubes that emit light once supplied with high voltages.
2. Symmetric power packs split power equally between multiple flash heads.
3.Silver-lined umbrellas are the most efficient and can focus light more narrowly than the other types.
4.White umbrellas offer a wider spread of reflected light, and gold umbrellas produce a warm tone.
5. Tools that control and modify the quality of light are barn doors, snoots, and honeycomb grids.
6.Sandbags can also be attached to weight the stand and better stabilize your lights.
7. A flag is any kind of opaque object placed in the way of light to better direct it, to prevent lens flare or to prevent it from spilling.
8. Wide reflectors produce a larger pool of light and a softer light quality.
9. Moonlights come with the controls built directly into the light itself.
10. Moonlights compact substitutes for a power pack/flash head combination.