The Argos G2 UHD has a secure, ergonomic, and comfortable one-handed grip. They come with superior quality Advanced fully multi-coated lenses for sharp contrast, true color, and excellent light gathering capabilities. They also have Bak-4 prism glass featuring Extra-Low Dispersion lenses and our new ESP Dielectric coating and phase correction for color fidelity and sharpness. Argon gas purging makes the Argos G2 binoculars waterproof and fog proof. A light weight magnesium alloy chassis reduces weight, taking strain off of your neck but makes it strong enough for the harshest environments.UHD Glass provides clear sharp imagesXPL Coating for protectionLightweight magnesium chassisPhase corrected prisms for higher resolutionBaK4 prisms for brighter sharper imageAdvanced fully multi-coated lenses for better light transmissionLong eye reliefClose focus capabilities to see insects or butterfliesTwist up eyecupsWaterproof8x42 Magnification: 8xObjective Lens Diameter: 42 mmEye Relief: 17.3 mmField of View Angular: 7.1Field of View FT @1000 yards: 371 ftClose Focus: 4 mInterpupillary Distance: 56 - 76 mmWeight: 25.5 oz10x42Magnification: 10xObjective Lens Diameter: 42 mmEye Relief: 16.1 mmField of View Angular: 6.1Field of View FT @1000 yards: 319 ftClose Focus: 4 mInterpupillary Distance: 56 - 76 mmWeight: 25.5 oz