A photographic light diffuser is disclosed having a support rod and collapsible frame with a plurality of ribs and stretchers. The frame in the open position defines an opening that is substantially square or rectangular. The frame is covered by a reflective panel and a translucent panel is connected to the reflective panel and positioned over the opening defined by the frame to define an enclosed chamber for receiving a light source. Access to the interior of the enclosed chamber is provided by one or more closeable openings.
