Celestron's Nature DX Series is a great companion for the outdoors lover. These affordable yet feature-packed binoculars are designed specifically for beginning to intermediate users. With the Nature DX series, you'll get the important features you're looking for, like fully multi-coated optics and BaK-4 prisms, while staying within your budget. You can feel confident taking Nature DX binoculars on any of your outdoor adventures. Even the full-size models in the series are extremely portable and lightweight. Nature DX can withstand harsh weather; its fully waterproof housing is purged of air and filled with dry nitrogen gas.