Celestron Nature DX 12x56 Brand New Includes Limited Lifetime Warranty The Celestron 71336 Nature Series 12x56 binocular is ideal for the outdoor enthusiast as it provides detailed images. It has fully multi-coated optics for enhanced contrast and its BaK4 prisms provide good light transmission, excellent sharpness and clarity. This model provides large-aperture sport optics for long-range sighting by day and casual astronomical observing around the campfire. A durable rubber armored, polycarbonate housing protects your binoculars from damage for a no-slip grip and some added impact protection. The Twist up eyecups provide easy adjustment for your eyes. This binocular is waterproof with nitrogen filled gas for added protection when out in damp environments. It is designed for use with a tripod. 71336 Features Roof Prism Binocular Multi-Coated Optics f/ Sharp, Clear Views High-Quality BaK4 Prisms W/ Phase Coating 12x Magnification 56 mm Objective Lens Offers Enhanced Contrast Light Transmission Suitable f/ Long-Range Sighting Astronomical Observing Durable Polycarbonate Body Protective Rubber Covering f/ Grip Diopter Compensation /- 3 Twist-up Eyecups f/ Comfortable Viewing Waterproof Fogproof SKU 71336 Specifications Diameter 56 mm 1.110 in Magnification 12 x Weight oz 36.2 oz 1028 g Angular Field of View deg 5.5 Linear Field of View 1000 yds 289 ft 96 m Exit Pupil mm 4.6 mm 0.18 in Eye Relief mm 16 mm 0.62 in Near Focus Binoculars 9.8 ft 3 m IPD Max 74 mm 2.91 in IPD Min 56 mm 2.20 in Prisms BAK-4 Optical Coatings Fully Multi-Coated Weather Proof Waterproof Fogproof Twilight Factor 25.9 Carrying Case Soft Case Tripod Adaptable Yes