Tasco Essentials (Porro prism)Essentials porro-prism binoculars fit the bill for all your adventures – from watching your favorite pro sports game to a remote camping trip . Their fully coated lenses optimize clarity and brightness, and they're built with a rugged, weather-resistant housing coated with rubber armor. To suit everyone's needs, they're also offered in a wide variety of sizes and configurations. All at a price that makes owning a pair not just a luxury, but a necessity.Specifications:>Field of View @ 1000 yd: 360ft>Weight : 27oz>Prism System: Porro>Lens Coating: Fully Coated