鈼?Complete Multiple Coating (FMC): multiple lens fully coated with anti-reflective green film for excellent light and brightness transmission while improving contrast and resolution. 鈼?The BAK4 high refractive index prism has bright, clear images and a sharp contrast that gives you all the details of the object. 鈼?Adjustable Eye Width and Dual Focus: Variety of eye widths makes them suitable for both adults and kids. Easily use the central focus wheel and dioptre adjusting ring to focus on your targets. And the binoculars can pull down the rubber eyepieces and fit glasses wearer. 鈼?Top Gift Choice: Suitable for both adults and kids, fit for hunting, hiking, exploring, viewing, sailing, bird watching, concert, outdoor sports etc. It is wonderful to be a gift on Father's Day and Children's Day. It's your best gift choice. 鈼?100% Satisfaction Guarantee If you have any problems or questions about the product, you can reach our customer service 24 hours No risk for you!