Whenever photography requires light, and flash light is unique, it is different from the sun and other ordinary lighting, with a sudden invasion, a sudden flash in the dark, shocking.

The history of the flash can be traced back to the challenges faced by early photographers who wanted to use the camera in places of poor lighting, such as indoors, at night and in caves. In 1839, Daguerre, the chief set painter at a prestigious Parisian opera house, invented a method of photography that uses mercury vapor to develop the exposed silver salt finish, known as the silver print. Flash in the history of the first appearance will be fixed in a same year fossil silver photos. For the next 50 years, photographers used theater spotlights, flashlight lights (in 1861, the famous photographer Felix Nadal shot the catacombs in Paris in this way), and spotlights Photographic experiments.