Dual ED Lens Binocular

  High Quality Professional Binoculars for Travel Camping Hunting Vision Bird Watching Outdoor Magnification: 10x 8x Objective Lens Diameter: 42mm Eyepiece diameter: 24mm Field of View: 423ft@1000yds Type: Binoculars Water Resistance Level: IPX7 Lens Coating Description: FMC Focus Type: Central+Detached Prism Description: BAK4 Model Number: 8x42ED, 10x42ED Material: Metal Exit pupil diameter: 5.3mm Eye relief: 17.5mm Lens Material: ED glass lens Close Focus: 2m / 2.5m Weight: 690g Size: 123 x 51x150mm     Binoculars Double ED Glass Lens 1. Objective, eyepiece veneral dual ED lens 2. The lens and eyepiece lens are SMC, ultra-wideband coating. 3. BAK4 prism with dimension 20, ridge ratios, semi-five prism reflecting surface plated electrolyte membrane, refractive surface plating SMC super wide film 4. The lens is high, the imaging is brighter, with color difference, low dispersion, color reduction ability 5. Magnesium alloy metal structure, internal nitrogen filled,