The Fullfield E1 3-9x40mm riflescope features a versatile magnification range with a 40mm objective lens and specialized Ballistic Plex reticle optimized for shotgun applications.Fullfield E1 Riflescope Model3-9x variable magnification range40mm objective lens diameterSecond Focal Plane (SFP) designBallistic Plex reticle systemOptimized for shotgun useBlack finishIdeal for hunters and shooters who need reliable optics with ballistic compensation for accurate shot placement at varying distances with shotgun ammunition.