JERTHIS Binoculars Waterproof & Fogproof Binoculars for Adults

Brand: JERTHIS Multi-coated optics help obtain high resolution and high contrast views, while the prisms made of BaK-4 glass will give you enhanced color fidelity.  Waterproof and fog proof: Designed to withstand all weather conditions, our JERTHIS  compact binoculars have been filled and sealed with dry nitrogen gas for rigorous outdoor use without internal fogging of the lenses Protective rubber covering: Our binocular is both durable and well-armored; its rugged exterior ensures protection from all outdoor elements while providing a secure, anti-slip gripping surface.  Twist-up eyecups for quick adjustment: Large focus knobs make for easy and precise focusing, and twist-up eyecups allow for quick adjustment of eye relief to obtain a full field of view. Eyecups can be easily positioned for use with or without eyeglasses