Alpen Rainier 10x42 ED HD Binoculars

Features Lifetime Warranty with registration* HD – High definition ED – Extra low dispersion optical system Waterproof UBX Fully Multi-Coated SHR Metallic Coated PXA Phase Coating A-lock diopter system BAK4 Optics Long Eye Relief Cleaning Pen Included Description All Rainier binoculars push the limits of optical perfection. All optical components receive our exclusive UBX multi-layer coating for maximum light transmission. The extra large BAK-4 prisms are coated with over 60 layers of Alpen’s SHR metallic and PXA phase coatings to deliver the best brightness, clarity and color fidelity. Large diameter lens elements throughout the optical system provide enhanced field of view and eye relief for easy viewing. Specs Item Number 77 Magnification 10X Field of View 341/1000yds Waterproof Yes Lens Coatings UBX Fully-Multi-Ctd, SHR Metallic Ctg, PXA Phase Ctg Eye Relief 16mm Exit Pupil 4.2mm Focuser Type Center Objective Lens Diameter 42mm Apparent Field 5.8° C