A softbox is a type of photographic lighting modifier, one of a number of photographic soft light devices.
A softbox is an enclosure around a bulb comprising reflective side and back walls and a diffusing material at the front of the light.
The sides and back of the box are lined with a bright surface – an aluminized fabric surface or an aluminum foil, to act as an efficient reflector.
In some commercially available models the diffuser is removable to allow the light to be used alone as a floodlight or with an umbrella reflector.
A softbox can be used with either flash or continuous light sources such as fluorescent lamps or "hot lights" such as quartz halogen bulbs or tungsten bulbs.