The Sigma LVF-11 LCD Viewfinder is dedicated to the Sigma fp mirrorless camera, it is an optical finder that mounts to the rear of the camera body to provide a 2.5x-magnified view of the camera's LCD screen. This finder's design shields stray light for improved viewing conditions and is especially suitable for manual focusing applications. It attaches to the camera via the included BPL-11 Base Plate.