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Blueline is a series of specialty items with unique and special features. There is something different for everyone and makes the perfect gift for every occasion such as compact and lightweight porro binocular. Backed by Limited Lifetime Warranty. FEATURES: 10x magnification with large 40mm objective lens Monocular Fully coated optics maximizes light transmission Roof prism type made with BK-7 Prism glass Perfect for birding or nature studies Bonus accessories includes carrying case and cleaning cloth. PRODUCT SPECIFICATIONS: Specifications:10x Field of View (ft@1000yds/m@1000m) =288/96 Prism Glass: BK-7 Exit Pupil (mm): 4.0 Close Focus (ft/m) 7/2.0 Eye Relief 18 mm
