Bushnell Elite 20-60x 80mm Porro Prism Waterproof/Fogproof Spotting Scope Spotting scope with 20 to 60x magnification and 80mm objective lens BaK-4 porro prisms with fully multicoated optics; 45-degree eyepiece ED Prime fluoride glass provides sharp, brilliant color resolution and clarity Water-repellent RainGuard HD lens coating; rubber armoring Waterproof, fogproof housing; measures 17 inches long