1High quality BAK4 prism, light transmittance increased by 20%, wide imaging range, round, higher light transmittance. 2FMC multilayer wideband coating film, reduce reflectance, large objective lens increase the amount of light, ensuring picture is brightly colored, high contrast is more real, the image is more bright and transparent, color reduction is more reality. 3Helps improve grip and provides additional protection against harsh using and weather conditions. 4Widen nylon soft shoulder strap, very comfortable to carry, especially suitable for traveling, watching concerts, games using. 5Have 10X magnification, grasp every detail of the picture, mainstream magnification, do not dizzy or sway, from a distance when the effect is more amazing. 6Metal body, full rubber cover, shock absorption, anti-slip, comfortable hold feeling.Condition: 100% Item Type: Binoculars Telescope Material: Optical Glass + ABS Color: Black Magnification: 10X Field Angle: 5.6 Prism Material: BAK4 Material Prism System: Roof Prism System Optical Coating Film: FMC Whole Surface Multilayer Green Film Plating Waterproof Performance: Daily Waterproof Eye Patch Form: Screw Up Eye Patch Objective Lens Diameter: 42mm Exit Pupil Diameter: 5.2mm Exit Pupil Distance: 20mm Eyepiece Diameter: 18mm Minimum Focus Distance: 1.2M Weight: Approx. 645g Size: Approx. 147x130mm/ 5.79x5.12inch1 x Binoculars Telescope1 x Telescope Cloth3 x Lens Cover1 x Portable Bag1 x Manual1 x Hanging Strap