An Important Accessory
Without light, there can be no conventional photography. When there is insufficient or unsuitable light available to take a picture, it becomes of paramount importance to have a ready source of supplementary light to fulfill the need.
Innovation and Technology
The latest and most sophisticated Sigma flash, the EF500 DG Super, incorporates the latest features and technological advances, not found on any other flash units, save those from the major camera makers themselves. They are the most completely dedicated flash units for the 35mm SLR camera and Digital camera photography available.