Top class poro-prism construction gives a brilliant sharp image along with fully red coated BK-7 glass optics. Technical details: Magnification:~ x7 Object lens diam.: ~50 mm Luminosity: ~51.02 Twilight factor: ~18.72 Field of view at 1000 m:~ 132m Focus: 5m to infinity Self focusing with fold down eye shields and individually adjustable eyepieces. Black lacquered body and bridge with rubber armouring. Size: 205 mm x 155 mm x 67 mm. Weight: 858 g. Supplied with carry strap, nylon case and cleaning cloth.