Vortex Optics Viper HD 10x42 Roof Prism Binocular

O-ring seals prevent moisture, dust and debris from penetrating the binocular for reliable performance in all environments and argon gas purging delivers fogproof, waterproof performance XR Fully multi-coated on all air-to-glass surfaces increases light transmission while dielectric prism coatings provide bright, clear, color accurate images High density extra-low dispersion glass delivers impressive resolution and color fidelity, resulting in high definition images VIP Unconditional Lifetime Warranty means Vortex Optics will repair or replace these binoculars at no cost to the customer, no questions asked, no registration required Rainguard, tethered objective lens covers, comfort neck strap, and deluxe padded carry case are all included in the box