Lead- and Arsenic-Free Eco-Glass Silver-Coated Roof Prisms Multi-Coated Optics Nitrogen Filled, Water and Fogproof Nikon's black 8x42 ProStaff 3S Binocular features silver-alloy-coated roof prisms and anti-reflection multi-coated optics that produce bright and clear high-contrast images with true colour rendition across the entire field of view. Its 8x magnification brings subjects up close, but without the noticeable handshake often associated with higher power optics. Limited Lifetime Warranty on the Optical System Limited 7-Year Warranty on Non-Optical Components. Limited 1-Year Warranty on Electrical Components, when Applicable on the Optical System Limited 7-Year Warranty on Non-Optical Components. Limited 1-Year Warranty on Electrical Components, when Applicable What's in the box Nikon 8x42 ProStaff 3S Binocular (Black) 1 x Neck Strap 1 x Carrying Case 1 x One-Piece Ocular Rainguard 2 x Objective Lens Covers