Feature: 1. The high‑quality binoculars adapted broadband green film cut from FMC, which has high light transmission, effectively reducing the refractive index of the fiber, and the image is clear, sharp and transparent. 2. The telescope adopts the method of central focusing, which is fast and accurate. It is not only easy to adjust, but also suitable for various eye widths after adjustment, making it suitable for adults and children. 3. The magnification of the telescope is 12x, the observation scene is not easy to shake, the closer feeling is stronger, the details are clearer, and the picture is more stable. 4. The product are compact in design and can be folded into the size of a palm. They are very suitable for traveling, suitable for camping, hiking, concerts, bird watching, hunting, traveling, golf, sports events and other outdoor activities. 5. The whole eyeglasses are made of imported environmentally friendly materials, so that adults and children can avoid skin allergies caused by the materials. 6. Bak4 prism has good light transmittance, reduces glare, improves light transmittance, color rendering and contrast, no dark edges, transparent and bright images, low‑light night vision, can be used in the night with dim light, but not suitable for complete darkness Night. 7. The binoculars have a high magnification of 12 times and a large objective lens diameter of 25mm. Objects up to 3000 meters away can be viewed, and the picture is clear, stable and does not shake Specification: Item Type: 12x25 Binoculars Material: Optical Glass+Rubber Color: Black Magnification: 12x Objective Diameter : Approx. 25mm/1in Eyepiece Diameter: Approx. 15mm/0.6in Blinder Type: Foldable Exit Pupil Diameter: Approx. 15mm/0.6in Closest Focusing Distance: Approx. 2.5m/2.7yd Focus System: Central Focus Prism System: BAK4 Prism Material: PORRO Field of View: 50-1500m/54.7-1640.4yd Angle: 8.6° Objective Prism Coating Film: FMC Full Surface Completely Multi-layer Coating Eyepiece Prism Coating Film: FMC Full Surface Completely Multi-layer Coating Weight: Approx. 328g/11.6oz. Package List: 1 x Binoculars1 x Instruction1 x Cleaning Cloth1 x Hang Rope1 x Storage Bag Note: 1: Do not twist the telescope too hard in case to cause damage to the internal structure2: Do not put it in a high place and cause it to fall and damage the lens