Hawke Sport Optics Frontier ED X Gen 2 10x42mm Roof Prism Binocular Green. Specifications for Hawke Sport Optics Frontier ED X Gen 2 10x42mm Roof Prism Binocular: Manufacturer: Hawke Sport Optics Color: Green Magnification: 10 x Objective Lens Diameter: 42 mm Eye Relief: 18 mm Exit Pupil: 4.2 mm Binoculars Focus System: Center Focus Close Focus: 4.9 ft Features of Hawke Sport Optics Frontier ED X Gen 2 10x42mm Roof Prism Binocular ED glass for optimum clarity. Wide angle optics. Flat field view. Lanthanum ocular glass. Dielectric coatings provide increased light reflectivity. Fully multi-coated optics to produce sharp images. High resolution phase corrected BAK-4 roof prisms. Water repellent coating on objective lens. Lightweight magnesium alloy chassis. Replaceable twist-up eyecups. 1/4 inch - 20 UNC tripod mounting thread. Package Contents: Hawke Sport Optics Frontier ED X Gen 2 10x42mm Roof Prism Binocular Carrying Case Lens Covers Harness Adapters And Neck Strap Hawke Sport Optics 38426: Frontier ED X Gen 2 10x42mm Roof Prism Binocular Green