NOCOEX Binoculars for Adults, Professional 10×42 BAK4 Prism Roof Optics, Compact for Bird Watching and Outside Activity

High Reflective Silver Alloy Phase corrected prisms - helps eliminate the degradation of the image caused by different light phases reflecting in the binocular. Fully Multicoated - all lens surfaces are multicoated with anti-reflective coatings Polycarbonate Body - designed to be rugged and durable

Ultra wide visual field- viewing scenery away from 1000 yards can reach the width 303ft visual field, let you see the distant scenery and animal more clearly, it is you that can buy the best birdwatching telescopessign - compact shape and appearance, durable metal inner hull structure, classic and durable; unconditional refund service within 30 days and limited warranty service for lifetime; High rate focusing - focus system with 10 times , let you see the distant fluttering feathers clearly , allow you to focus the distant moving object and scenery clearly, viewing details clearly; High-quality optical lens - FMC coated lens, 42cm ultra large objective lens, bringing you bright-colored sight lines more clearly and brightly; Waterproof and dustproof design - filled with nitrogen, structure with waterproof ring, achieving the effect of waterproof and dustproof, so that it can be used normally in any environment, no need to worry about;

25x magnification porro prism binocular Giant 100 mm objective lens offers maximum image brightness in low-light and long-range conditions Ultra sharp focus across the field of view, Long eye relief ideal for eyeglass wearers

Compact, Rugged, Waterproof/Fog proof Long Eye Relief Eco-glass Lenses and Prisms