Update to Award-Winning PROSTAFF 3S: Even higher optical performance, a wider, brighter of view and better durability 8X Magnification & 42 mm Objective Lenses: Great low-light performance with 28.1 relative brightness and a wide 377 ft field of view (at 1,000 yds) that's great for bird watching, backpacking, camping, boating, stargazing, astronomy, sports, concerts and more Waterproof, Fogproof & Rugged:…