Vortex Optics Binoculars feature excellent optical performance and durability at a price that is incredibly affordable. The Crossfire 10x42 Roof Prism Binoculars feature a tough rubber armored build that is lightweight and durable. Vortex Optics' fully multi-coated glass lens design delivers some of the highest performance images on the market. You will be closer to the action than you ever thought possible with these fantastic binoculars.Optical FeaturesThe Vortex Crossfire 10x42 Binoculars sport an ultra-wide field of view of 325ft @ 1000yds to cover ground more efficiently and allow you to zero in on your subject. With 10x magnification on the 42mm lenses, these binoculars give you a farther reach for more incredible images.ConstructionThe 10x42 Binoculars are tough enough to last through anything Mother Nature can throw at them. The binocular barrel is sealed with O-rings that prevent moisture, dust, and debris from penetrating the barrel for ultimate protection. Nitrogen gas purging prevents internal lens fogging. The Vortex binoculars feature a secure, non-slip ergonomic design thanks to the tough rubber armored exterior to provide maximum comfort.ConvenienceVortex 10x42 Binoculars feature multi-position adjustable eyecups that maximize your comfort. The center focus wheel gives you the ultimate control and adjusts the focus of both binocular barrels simultaneously. They are compatible with a tripod adapter so that you can enjoy more precise and error-free images.