The present invention relates to a flash device for an electronic equipment comprising a light source (6) for producing a flash light, a reflector (5) for collimating the light from the light source (6) into a parallel light beam (1) and two lens panels (3a, 3b) positioned in the parallel light beam (1) and being movable in relation to each other for varying the coverage angle of the light beam (1), whereby each lens panel (3a, 3b) consists of a plurality of lenses (4) and whereby the lens panels (3a, 3b) are movable in a direction parallel to the light beam (1). The present invention furtherrelates to a method for operating a flash device for an electronic equipment.