The Engage X 10x42mm Binoculars deliver quality glass in a lightweight package. The fully multi-coated optics provide you with a brighter and clearer image at dusk and dawn when you need it most. These binoculars are IPX7 waterproof rated, and have Bushnell's exclusive molecularly bonded EXO Barrier for a clear image no matter the weather. An adjustable diopter ensures that these binoculars are fully adjustable to meet your eyes needs.The ultra-smooth focus wheel allows you to focus in on an object quickly for perfect definition. Buy with confidence -it's all protected by our full lifetime Ironclad Warranty.