Celestron 8x42 Binoculars, Waterproof And Fogproof Binoculars, Durable Binoculars With Multi-coated Optics And Bak-4 Prisms, Anti-slip Grip Compact Binoculars For Adults, (8x42)

Objective lens diameter: 42 mm Magnification: 8 times Field of view: 6.8 degrees Linear field of view: 119m at the rate of 1000m Exit pupil diameter: 5.25 mm Exit pupil distance: 18 mm Closest focusing distance: 4.5 meters Interpupillary distance adjustment range: 56~74mm Optical coating: Multi-layer coating Prism material: BaK4 Waterproof: nitrogen-filled, waterproof and anti-fog Evening index: 18.33 Relative brightness: 27.56 Tripod interface: included Accessories: Objective lens cover, rain cover, shoulder strap, carrying case, lens cleaning cloth, manual Weight: 600 grams Size: 146*126*53mm

• Fully multi-coated optics and BaK-4 prisms provide improved contrast and resolution by increasing lighttransmission through the entire optical path.
• Twist-up eyecups with multiple positions correctly position the eyes for comfortable viewing with or without glasses.
• Designed to meet the needs of every outdoor enthusiast—waterproof, nitrogen-purged and rubber armored.
• Compact binoculars have been filled and sealed with dry nitrogen gas for rigorous outdoor use without internal fogging of the lenses