The Bushnell Legend E-Series 10x42mm Binoculars are built with a lightweight magnesium chassis and fully multi-coated optics for amazing light transmission. With an ultra wide field of view and long eye relief, viewing excellence can be reached by a whole new segment of outdoor enthusiasts. Magnification x Obj Lens: 10x42mm Close Focus: 8ft/1.9m PC-3 Phase Coating: Yes Lens Coating: Fully Multi-Coated Field of View: 340ft at 1000 yards Adapt to Tripod: Yes Eyecups: Twist-Up Locking Diopter: No Eye Relief: 17.2mm Focus System: Center Exit Pupil: 4.2 mm Prism Glass: BaK-4 Water/Fog Proof: Yes Prism System: Roof Weight: 23oz Size Class: Standard.