Portable Binoculars,10x42 HD Outdoor BK7 FMC Binocular Telescope,for Adults Kids Beginner,for Bird Watching Hiking Travel Hunting Sports

Specification: Item Type: 10x42 Binoculars Color: Black Material: Rubber Magnification: 10x Objective Lens Diameter: Approx. 42mm/1.7in Eyepiece diameter: Approx. 18.5mm/0.7in Bilateral Eyepiece: 2 Groups 3 Pieces Bilateral Objective Lens: 1 Group 2 Pieces Prism: BK7 Coating: FMC Field of View Angle: 5.6° Exit Pupil Distance: Approx.10mm/0.4in Exit Pupil Diameter: Approx. 4.2mm/0.2in Weight: Approx. 715g/1.6lb Package List: 1 x Binoculars 1 x Instruction 1 x Storage Bag 1 x Lanyard 1 x Sweeping Cloth  Note: 1: Avoid preventing damage to the internal lens caused by falling everywhere 2: Keep away from the fire source to avoid damage to the eyepiece lens