Celestron 10x50 Outland X Binoculars (Black)

Key Features: 50mm Objective Diameter BAK4 Roof Prisms Preserve Contrast Multi-Coated Optical Elements Wide Angle Viewing: 55° Nitrogen-Purged Fogproof & Waterproof Closed Bridge Configuration Polycarbonate Body with Rubber Armoring Oversized Center Focus Knob Mountable on Tripod Twist-up Eyecups Specifications: Magnification: 10x Objective Lens Diameter: 50 mm Angle of View: 5.5° (Actual) Field of View: 289' @ 1000 yd / 95.95 m @ 1000 m Minimum Focus Distance: 13.1' / 3.99 m Exit Pupil Diameter: 3.1 mm Eye Relief: 10 mm Interpupillary Adjustment: 56 to 72 mm / 2.2 to 2.8" Diopter Adjustment: -3 to +3 Focus Type: Center Fog proof: Yes, Nitrogen Filled Water Resistance: Waterproof Dimensions: 6.2 x 5.4 x 2.3" / 157.48 x 137.16 x 58.42 mm Weight: 27.1 oz / 768.3 g