Hawke Frontier ED X 10x25 Binoculars Magnification: 10x Objective lens diameter: 25mm H7 optics system ED (extra-low dispersion) glass Dielectric mirror coated, phase corrected BAK-4 roof prisms Magnesium alloy chassis Fully multicoated optical system Water-repellant lens coatings Twist-up eyecups Compact double-hinge design Nitrogen purged Waterproof, fog proof Field of view: 347 ft. @ 1000 yds. Exit pupil: .1" Eye relief: .6" Interpupillary distance: 2.9" - 1.4" Close focus: 6.6 ft. Length: 4.3" Width: 4.2" - 2.7" Weight: 10.9oz Hawke No-Fault Lifetime Warranty Includes stay-on lens covers, neck strap, protective carry case w/ strap