Alpen Optics APEX 12X50 Waterproof Roof Prism Binocular Versatile binocular with 12x magnification and 50mm objective lenses Fully multicoated BaK-4 glass lenses create bright high-resolution images PXA phase coating and HR metallic coating for added color and clarity Rubber armoring for comfort and protection; pull-up, twist-lock eyecups Includes deluxe travel case; measures 6.5 inches long; limited lifetime warranty