Bushnell Powerview Wide Angle Binoculars are designed to provide high-quality optics in a versatile and durable format--at an affordable price. Constructed with a rugged, shock absorbing rubber armor for a comfortable, non-slip grip, Powerview Binoculars are suitable for multiple applications both indoors and in nature. The 10x50 Powerview Wide Angle Binoculars offer powerful 10x magnification with large 50-millimeter objective lenses that deliver a highly detailed overview. Meanwhile the BaK-7 prisms and multi-coated optics provide high-level image resolution and clarity. Additional user friendly details include a center focus knob for easy adjustments, fold down eye cups, and a folding design. Bushnell Powerview Binoculars carry a limited lifetime warranty against defects in materials and workmanship for the original owner. Key Features: BaK-7 prisms Porro prism system Multi-coated optics Non-slip, shock-absorbing rubber armor InstaFocus system Fold-down eyecups Tripod adaptable Specifications: Magnification: 10X Objective Lens: 50 millimeters Close Focus: 20 feet / 6 meters Field of View: 341 feet at 1000 yards / 114 meters at 1000 meters Eye Relief: 10 millimeters Exit Pupil: 5 millimeters Weight: 25 ounces / 709 grams Model: 131056 Size Class: Standard About Porro Prism Binoculars: The prism system of a binocular reduces the size needed to contain a long optical path and turns what would be an upside-down image right-side-up. In porro prism binoculars, the objective or front lens is offset from the eyepiece. Porro prism binoculars provide greater depth perception and generally offer a wider field-of-view.