The rugged Barska  X-Trail Reverse Porro Binoculars are the ideal companion for nature spotting and sports events, giving you great quality optics in a durable casing.__ Large objective lenses maximise light transmission for bright clear images, even in low light conditions, and the ruby lens help to minimise glare. __ Designed with a reverse porro system, the objectives are offset from the eyepiece in a horizontal way which reduces the total size of the construction by about 30%, when compared to the traditional porro prism system.__ Ergonomic, shock-absorbing rubber armour makes them tough and easy to hold securely, and they come with a carrying case and neck strap for total convenience.__8x Magnification42mm Objective LensBAK7 Roof PrismsMulti Coated LensesEye Relief: 20mm Rugged and durable rubber armour with non-slip gripCarrying case, neck strap, lens covers and lens cloth included