Nikon Prostaff 5 Proscope 82mm Angled Body with 20-60x Zoom, Black 82mm Objective Lens-An ideal balance of size and brightness. Multicoated Optics-Provides a bright, high contrast image with true color rendition and the zoom is adjustable from 20 to 60 times. Ergonomic, Lightweight Porro Prism DesignInternal Surface Texturing-Minimizes reflective light loss inside scope. Waterproof/Fogproof-Nitrogen-purged and O-ring sealed. Built-in Sliding Sunshade-Eliminates glare in bright conditions, keeps dust and rain off objective lens in rainy or dusty conditions.