Steiner 10x42 mm Police Binoculars Makrolon Polycarbonate Housing Imported Steiner P1042 10x42 Binocular - Neck Strap - Carry Case - Lens Cloth - Eyepiece Rainguard - 2x Objective Lens Covers - Steiner Heritage Prism Type: Roof prism Magnification: 10x Objective Lens Diameter: 42mm Field of View: 328' at 1000 yds