Vanguard Dm-8250 Monocular Lightweight, compact monocular (weighs only 3.9 ounces) Durable metal housing with rubber armor Includes carrying pouch Magnification: 8x, Objective Lens Diameter: 25mm Field of View: 367 ft/1000 yards View angle: 7.0 degrees Near focus: 1.1 foot Eye relief: 8.6 mm Prism Type : Roof