Barska 20x80mm WP Cosmos Astronomical Binoculars, BAK-4 | BAR-AB13640 The 20 x 80 WP Cosmos, BAK-4, w/ Premium Carrying Case by Barska is engineered to perform at its best under astronomical viewing and long-distance terrestrial observation under low-light conditions, these binoculars are truly out of this world. It features BAK-4 prisms with multi-coated optics that result in remarkably crisp and clear images. It features a nitrogen-purged body that is 100% waterproof and fog proof with a beautiful black metal finish, the Cosmos series imposes a lasting impression of strength and precision. Adjustments such as individual-focused eyecups, let you customize these binoculars to your personal preference. Built to withstand the darkness of space, 20 x 80 WP Cosmos, BAK-4, w/ Premium Carrying Case by Barska is great, whether you want to immerse yourself and take in the vastness of the Milky Way, or a mountain range under the moonlight, these binoculars will be with you from one celestial environment to the next. Includes premium carrying case and neck strap. Included Accessories Includes Premium Carrying Case & Neck Strap Features 20x Magnification 80mm Objective Lens Multi-Coated Optics Nitrogen-Purged Body Black Metal Finish BAK-4 Prisms Individual Focusing System Latex Eyecups Waterproof, and Fog proof Technical Specifications Brand Barska Series Cosmos Model Number AB13640 UPC 790272006410 Focus System Individual Prism Type Porro Prism Glass BAK-4 Magnification (Fixed) 20x Close Focus (ft/m) 39.4/12 Eye Relief 15.4mm Objective Lens 80mm Exit Pupil 4mm Field of View (ft@1000yds/m@1000m) 157/52 Optical Coating Multi-Coated Waterproof Yes Fogproof Yes (Nitrogen CO2) Tripod Adaptable Yes Product Weight 89.6 oz Finish Black Matte Manufacturer's Warranty Limited Lifetime Warranty
