Celestron–Nature DX ED 10x50 Premium Binoculars Extra-Low Dispersion Objective Lenses–Outdoor and Birding Binocular–Fully Multi-coated with BaK-4 Prisms–Rubber Armored–Fog & Waterproof Binoculars

PREMIUM ED OBJECTIVE LENSES: Extra-Low Dispersion (ED) glass virtually eliminates chromatic aberration or color fringing, a visual defect common in binoculars. You'll enjoy razor-sharp images with outstanding, true-to-life color.
VERSATILE, ALL-AROUND BINOCULARS: These premium binoculars are a great choice for birdwatching, nature observation, the trail, stadium, arena, or anywhere you want a close-up view of the action without sacrificing brightness or detail.
BaK-4 PRISMS FOR OPTIMAL VIEWING EXPERIENCE: The prisms inside Nature DX ED feature quality BaK-4 glass with phase coatings applied to maximize light transmission and enhance bright, highly detailed images – especially in low light conditions.
DURABLE, WEATHER-RESISTANT BODY: A rubber-armored, polycarbonate housing protects your binoculars from damage and stands up to even the toughest weather conditions! They're also fully waterproof & nitrogen purged to prevent internal fogging of the lenses.
UNBEATABLE WARRANTY AND CUSTOMER SUPPORT: Buy with confidence from Celestron, a leading binocular and telescope brand, based in California since 1960. Your purchase is backed by a Limited Lifetime warranty and unlimited access to technical support team.