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Compact Roof Prism 8 x 21


    • PRISM- BK: 7 Roof prism. 8x magnification and 21mm objective lens diameter.
    • GLASS COATED LENSE: Provides superior image brightness.
    • FIELD OF VIEW: 365ft @ 1000 yds / 126m @ 1000m.
    • FOCUSING: Center focus with independent right ocular adjustment.
    • ACCESSORIES INCLUDED: Neck strap, carrying case, lens cloth and instructions.
    • Intended use: Field
    • Encapsulated tritium (Isotope H3) light sources are at each hour position on dial and on hour & minute hands
    • 316L high-impact stainless steel case with screw-down case back
    • Water resistant to 3ATM and dust proof
    • Each watch is numbered individually.
    • Includes nylon strap 16mm
    • Other strap options available in nylon and leather

    Product Details

    • MOVEMENT: High-torque Quartz
    • LUMINOUS FEATURES: Tritium gas tubes
    • DIMENSIONS: 39mm Diameter / 11mm thickness
    • STRAP: 16mm black nylon
    • CALENDAR: Date

    Marathon Compact Roof Prism Binocular 8 x 21. The BK-7 prism is the most widely used prism amongst the binoculars. These binoculars are light-weight and can be folded, very convenient and easy to carry. Perfect for bird watch, travelling, sightseeing, hunting, observation of sporting activities and concerts, etc. Comes with neck straps, fold-down eye cups, lens cloth, carrying pouch, and full instructions.


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