USCAMEL HD 10x26 Binoculars Compact for Adults Powerful Long Range 1000m Professional Folding Telescope Wide Angle Vision Hunting Military Green Fully Multi-Coated Opitcs: Increased light transmission for brighter views and more resolution. BaK-4 Prisms with Phase and Dielectric Coatings Right eyepiece diopter adjustment knob: there may be differences between the left and right eye vision,can be adjusted using the left eye clarity, then slightly rotate the right eyepiece diopter ring directly to achieve the best results. Can be used for both day and night (low-light-level night vision,can't see anything in complete darkness) Wide Field of View: Quickly acquire the subject being viewed. Follow your subject more easily, with less need to move the binoculars.