<ul><li>Studio Portrait Shadow Softbox Flash Light Diffuser Reflector Diverter for Samsung ED-SEF580A SEF580A SEF580, SEF42A SEF42, SEF20A SEF20, SEF15A SEF15</li></ul> Getting a well exposed photo is very important. Photographers often turn to a flash to help light the scene. The problem is that flash can cause glare spots, create deep shadows or harsh reflections that distract viewers. This external flash diffuser will prevent those problems when using a flash. The image will look great if the light is softened. You photos will be well exposed, without the harsh glare spots. Light Loss: Approximately 1/2 stop. Dimensions: Folds flat to 5" x 4" (13cm X 10cm )