Underwater photography constitutes a true school of the glance. It recreates an environment, reveals a detail or transcribes an emotion. For that, it is necessary to control completely the material and the light... It is not always possible to impress the film at the best time because it would be necessary to manage the constraints of the aquatic environment. Mistakes, groping, tests, are often the fate of the maturing photographer in search of ... " l’image".