Meopta MeoStar B1 Plus 8x42 BinocularsMeopta MeoStar B1 Plus 8x42 Binoculars are Meopta's top of the line binoculars. Their upgraded features include European styled rubber armoring that improves both the look and the security of the grip, a locking diopter to prevent diopter drift, and MeoDrop hydrophobic coating on the external lenses. All air to glass optical surfaces are coated with MeoBright coatings for optimal light transmission and the BaK 4 roof prisms are phase correction