The 10x42 H20 Binocular from Bushnell delivers a fogproof housing and rubber armoring textured with soft ridges to maintain grip. This roof prism binocular offers a more compact footprint than comparable Porro prism designs. A multicoated lens system and high-transmission BAK4 prism glass allow these weather-sealed glasses display clear and bright images that are crisp with detail. Includes the following: Bushnell 10x42 H2O Roof Binocular Features: BAK4 Roof Prisms Multicoated Optics Nitrogen-Filled Fogproof / Waterproof Twist-Up Eyecups 17mm Eye Relief Textured Rubber Armoring Specifications: Prism Type: Roof Magnification: 10.0x Objective Lens Diameter: 42mm Angle of View: 5.8° (actual) Field-of-View: 305' @ 1000 yd / 101.26 m @ 1000 m Minimum Focus Distance: 12' / 3.66 m Exit Pupil Diameter: 4.2 mm Eye Relief: 17 mm Interpupillary Adjustment: Not Specified By Manufacturer Dioptric Correction: Not Specified By Manufacturer Focus Type: Center Tripod Mount: Not Specified By Manufacturer Dimensions: Not Specified By Manufacturer Weight: 25 oz / 709 g What's in the box 1 x Binocular