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Marine Binocular With Compass 7 x 50

BI030017

    • PREMIUM QUALITY PRISM– Barium Crown glass (BAK4). 7x magnification and 50mm objective diameter.
    • FIELD OF VIEW- 370 ft @ 1000 yds / 122m @ 1000m. Individual focus model.
    • LENSES– Magenta (ruby) Coated Lenses providing superior image brightness.
    • WATERPROOF & FOGPROOF- Military grade and highly durable.
    • ACCESSORIES INCLUDED- Built-in Compass Neck strap, eye-cup protectors, objective lens protectors, 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

    BAK4, or Barium Crown glass, is considered the best type of prism material. It has a high refractive index and lower critical angle than other materials, which means it transmits light better with less peripheral light being lost due to internal reflection. Field of view is expressed in feet at a distance of 1,000 yards or meters at 1,000 meters, and is the width of the visible area that can be seen without moving the binoculars. The 27.4mm eye relief is the optimal distance from the eyepiece to your eye, or the focal point where the light passes through the ocular lens. Great to use even with eyeglasses. Waterproof structure allows the product to be submersible to a depth of 0.5m (time- 20mins). The product is nitrogen filled for fog-proofing. Additional Features- • Built-in tripod mount. • Neck strap, eye-cup protectors, objective lens protectors, carrying case, lens cloth and instructions included.

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