Celestron 72031 SkyMaster Pro 20x80mm Waterproof Porro Prism Binoculars with Rubber armoured Protection, Multi Coated Lens, BaK 4 Glass and Deluxe Carry Case, Black

Enhanced 20x magnification: with our skymaster pro 20x80 porro prism binocular, you get large 80mm objective lenses offering maximum image brightness in low-light conditions. great for astronomical viewing at dusk, dawn and night Fully multi-coated optics: every air-to-glass surface is multi-coated with celestron’s proprietary xlt coating technology. these coatings coupled with bak-4 prisms increase light transmission, delivering crisp, high contrast images with outstanding resolution Protection & grip: protective rubber covering for improved ergonomics and ultra-firm grip that meets the special demands of extended viewing sessions in the field Robust construction: waterproof, fogproof and nitrogen-purged in a polycarbonate housing to provide peace of mind when unexpected weather sets in