Product Usage: Product parameters: Relative brightness: 18.23 Magnification: 12x Number of lens groups: 8 pieces, 6 groups Color: Green,Black Gold, Black Silver Objective aperture: 42mm Jin Jiao distance: 2M Cylinder diameter: 4MM Lens coating: multi-layer coating Discharge distance: 15.2mm Packaging: Glasses, lens cleaning cloth, instruction manual, portable bag, color box ALL-METAL ALUMINUM ALLOY FOCUS WHEEL AND DUAL FOCUS DESIGN: Compared with other telescopes, the telescope adopts new metal focusing wheel, offers higher focusing accuracy, very robust and sustainable. adjustment by smooth central focusing wheel and diopter adjustment ring on the right eyepiece. It is very easy for you to adjust the focus and zoom in close to see through clear images. COMPACT AND LIGHTWEIGHT: The foldable binoculars are compact and light enough to be easily carried, Binoculars Ideal gifts for children, outdoor enthusiasts Tourism, mountain climbing, outdoor competitions, and even everyone Ideal for hunting, rock climbing, bird watching, wildlife and scenery, concerts, sports, hiking, camping and travel.