Bushnell 10X50 PermaFocus Wide Binoculars 175010 Bundle LONG DISTANCE: 10x magnification, 50mm objective lens and fully coated optics for superior light transmission and brightness PERMAFOCUS: Unique "Focus-Free" lens system which is ideal for sporting events RUBBER ARMOR: Non-slip rubber armor absorbs shock while providing a firm grip QUALITY OPTICS: Roof prism system with twist-up eyecups, 12mm eye relief and BK-7 prism glass BUNDLE INCLUDES: Lens cleaning tool and microfiber cleaning cloth