buschnell
Model 231050 Magnification x Objective Lens (mm) 10x 50 Size Class Standard Focus System Center Prism System Roof Prism Glass BaK-4 Lens Coating Fully Multi Field of View (ft.@1000yds / m@1000m) 283 / 94 Close Focus (ft. / m) 13 / 4.0 Exit Pupil (mm) 5 Eye Relief (mm) 19.5 Eyecups Twist-Up Waterproof / Fogproof Yes Adapt to Tripod Yes Color Green Weight (oz. / g) 28 / 793