Hawke Vantage HD 10x26 Binoculars Magnification: 10x Objective lens diameter: 26mm H2 optics system Phase corrected BAK-4 roof prisms Polycarbonate chassis with rubber armor Fully multicoated optical system Open hinge design 1/4" - 20 UNC tripod mounting thread Nitrogen purged Waterproof, fog proof Field of view: 293 ft. @ 1000 yds. Exit pupil: .1" Eye relief: .6" Interpupillary distance: 2.2" - 2.8" Close focus: 6.6 ft. Length: 4.4" Width: 4.3" - 3.6" Weight: 9.5oz Hawke No-Fault Lifetime Warranty Includes stay-on lens covers, neck strap, protective carry case w/ strap