Hawke Sport Optics Frontier HD X 8x42mm Roof Prism Binoculars Grey. Specifications for Hawke Sport Optics Frontier HD X 8x42mm Roof Prism Binoculars: Manufacturer: Hawke Sport Optics Magnification: 8 x Objective Lens Diameter: 42 mm Prism System: Roof Prism Material: BAK-4 Image Stabilizer: No Eye Relief: 18 mm Exit Pupil: 5 mm Field of View Linear: 426 ft at 100 yds Field of View Angle: 8.1 degrees Optical Coating: Fully Multi-Coated Binoculars Focus System: Center Focus Interpupillary Distance: 55 - 74 mm Close Focus: 6.6 ft Weather Resistance: Yes Water Resistance Level: Waterproof Length: 5.5 in Weight: 692 g Finish: Rubber Fabric/Material: Magnesium Alloy Chassis Package Type: Box Magnification Type: Fixed Case: Yes Fogproof: Yes Zoom: No Features of Hawke Sport Optics Frontier HD X 8x42mm Roof Prism Binoculars Dielectric coatings designed to increase light reflectivity Fully multi-coated optics produce sharp images Focus knob with 1.5 turn - close focus 6.6 ft High resolution phase corrected BAK-4 porro prisms Water repellent coating on objective lens Lightweight rubber coated magnesium alloy chassis Stay-on lens covers for maximum lens protection Replaceable twist-up eyecups with position stops Package Contents: Hawke Sport Optics Frontier HD X 8x42mm Roof Prism Binoculars Carry Case Neck Strap Harness Adaptors Lens Covers Hawke Sport Optics 38011: Frontier HD X 8x42mm Roof Prism Binoculars Grey