When it comes to high quality optical performance, the 10x42 level Ed binoculars deliver. Equipped with extra low dispersion (Ed) glass, these binoculars maximize image quality to provide extraordinarily sharp and detailed Images. A textured rubber coating provides both protection from external damage and a comfortable non-slip surface for a more secure grip. The optical quality of the level Ed 10x42 binoculars is further enhanced with BaK-4 prisms for increased clarity.