Another recommendation for birdwatchers. It has a phase correction coated prism and 42mm multi-coated lenses with SMART bak-4 prism that acts as a GPS for light transmission, an ED glass that produces one of the sharpest, crispest and clearest images, a close focus and an extra-wide field of view. the body is sealed with nitrogen that makes sure that the binocular is waterproof and fog proof. It also features a nylon mesh for safe carrying, an eyepiece and lens protection cover, non-abrasive microfiber lens cleaning cloth. Objects can be observed without straining the eyes through the long eye relief, twist-up eyecup and between eye adjusting right eye diopter, making it usable with or without glasses on.