Lomography Diana + 20mm Fisheye Lens (Black) Enormous 180 field of view takes in half of the world around you and compacts it into a tight circular image. Barrel distortions twist and bend your subjects around the edges. Each fisheye image shows massive depth of field, so your subject and background will be nice and crispy clear. Fisheye Viewfinder and plastic mount is included to preview your shots.