Nikon 8x42 Monarch 7 ATB Binoculars are ideal for nature-lovers, astronomy-buffs, and marine life enthusiasts alike because of its Sturdy Body Design, Extra-Low Dispersion Glass Elements, Phase-Corrected Dielectric-Coated Prisms Fully Multicoated Optics! Nikon 8x42 Monarch 7 ATB Binoculars is a perfect companion for outdoor recreational activities such as birdwatching, nature viewing, stargazing, and marine life watching . With anti-reflection, fully multicoated, extra-low dispersion glass elements and phase-corrected roof prisms, these binoculars produce bright and clear high-contrast images. Further, you achieve accurate color rendition and minimal color fringing throughout the field of view, making these perfect for extended viewing experience. The binoculars offer 8x magnification , bringing the subjects up and close for your observation. Along with that, you wouldn't even have to sacrifice the field of view or exit pupil, making the whole experience much more enjoyable. Even with such higher power optics, the binoculars ensure that you don't experience any noticible shake. Additionally, their 42mm objectives boost their light-gathering , making them perfect for during challenging light conditions of predawn and late evening. Another noticeable feature includes, the binoculars' long eye relief , which enables the users to enjoy a comfortable and immersive observational experience. The sturdy and lightweight body design makes them ideal for outdoor use. Further, the rubberized armor adds a secure non-slip grip, making them perfect for rugged use. Also, these binoculars are water and fog-proof because of nitrogen-filled optical tubes that prevent internal fogging, making the binoculars apt for extreme temperature variations. Specifications: Prism Type: Roof Magnification: 8x Objective Lens Diameter: 42 mm Angle of View: 8 (Actual) Field of View: 420' @ 1000 yd / 139.4 m @ 1000 m Minimum Focus Distance: 8.2' / 2.5 m Exit Pupil Diameter: 5.3 mm Eye Relief: 17