Perfect HD binoculars for kids and adults bird watching, hunting, sports, hiking, concerts, travel and stargazing. Give you great visuals of scenery, wildlife, bird and sports far away. 🔭【FMC Lens & BAK-4 Prism】The Adults Binocular adopted BAK-4 prism and fully multi-coated lens which can minimizes the loss of light due to reflection, maximize light transmission and enhance color fidelity to bring you a brighter, clearer view, especially in low light such as nightfall, overcast and fog.