Fovitec StudioPRO SP35-009 Photography Photo Studio Parabolic Softbox Mounting Arm with Bowens Speed Ring, Black PORTRAIT LIGHTING: Controlled intensity and direction of your lighting, giving more variety to your light source. FLOOD LIGHT: Shorten the arm to provide a broad beam of relatively soft light with minimal central hot-spot and a wide diameter. SPOT LIGHT: Lengthen the arm and produce a higher intensity, better-defined light with sharp quality. STRONG: The sturdy brackets are designed to eliminate mounting stress on the light stand and provide additional support for the soft boxes.