This versatile all-round biney glass is a great choice for on the go, the stadium, the arena or almost everywhere, where you want to see what is happening up close, without avoiding brightness or details. It is a particularly great companion for nature and bird watching, with ED glass, which helps you to recognize the smallest details. Ed lenses; Extra-Low Dispersion (ED) glass eliminates chromatic aberration, also known as color bricks, an visual defect that occurs frequently in binoculars. The Nature DX ED binoculars ran razor -sharp pictures to the edges of the field of vision. ED glass is also known to create pictures with outstanding, loyal colors. A hard-wearing rubber-shaped polycarbonate housing protects your binoculars from damage. The view through the binoculars is pleasant thanks to the rotary eye shells for both glasses wearers and for non-glasses wearers. In addition, the binoculars are completely waterproof and filled with dry nitrogen to prevent the lentils from fitting inside. Nature DX Ed can withstand the toughest outdoor conditions.