Eyeskey High-definition HD Telescope Night Vision Non-infrared Nitrogen-filled Waterproof Pocket Binoculars Feature type:Normal telescope 1. Specifications: Magnification: 8X42: 8 times 10X42: 10 times Objective lens diameter: 42mm Eyepiece diameter: 8X42: 18mm 10X42: 16mm weight: 8X42: 591g 10X42: 575g size: 8X42: 145x123mm 10X42: 140x123mm Prism material: BAK4 Objective lens coating: FMC omnidirectional multi-layer coating Eyepiece coating: FMC omnidirectional multi-layer coating The package includes: 1x telescope 1x eyepiece cover 1x objective cover 1x Eyeskey soft bag 1x wide mirror belt 1x Chinese manual 2. HD, waterproof, portable, can take photos with mobile phone 3. FMC full-scale multi-layer coating and BAK4 prism group, the light transmittance is stronger, the image is clear and bright 4. Eyepieces have high light transmittance, eliminating eye strain and making viewing more comfortable 5. Natural rubber non-slip skin, delicate and comfortable texture 6. Super large focusing wheel, full of concave and convex, moderate damping, comfortable and convenient adjustment 7. Nitrogen-filled waterproof, ten times longer life