12x42 Binoculars Professional HD Telescope Powerful Long Range BAK4 Prism For Hunting Outdoor Camping ED Lens IPX7 Waterproof Product paramerters Color:Black,Green,Bule Product Type:Roof Binocular Magnification:12x Eyepiece Diameter:18mm Objective lens:42mm Pupil distance:17.1mm Pupil diameter:7.1mm elevation angle:5.6 Field of view range:101m/1000m Prism:Bak4 prism Prism diameter:16.95mm Lens Type:Lens Coating Lens mirror place:6pieces 4 groups Lens Coating:FMC Waterproof level:IPX7 Weight:626g Size:145mmx125mmx53mm Rose Gold Metal Metal focus wheels are smoother and more precise, reducing hand slippage and high durability FMC Multi-layer Green Film Plating High light transmission rate Sharp and transparent image Large eyepiece Large field of view Unobstructed light transmission Wide field of view Comfortable viewing BAK4 high-transmission prism Clear panoramic image, no dark edge IPX7 nitrogen-filled waterproof Suitable for any outdoor harsh environment Real Photo Effect Product Real Show