The freshly upgraded 12x50 diamondback binoculars have a new sleek new look and an all new optical system with enhanced dielectric fully multi coated lenses serving up stunning views and impressive low light performance they not only feature an ultra wide field of view but also superior argon gas purging for protective fog proofing and of course waterproofing add a rubber armoured body and twist up eyecups and nothing has superior quality high performance optics for a surprisingly affordable