Top-of-the-line Meopta binocular, the upgraded B1 Plus generation. HD fluoride (FL) lenses, MeoBright anti-reflection coating for very high light transmission, MeoShield anti-abrasion and MeoDrop hydrophobic coatings, central locking diopter, and a redesigned ergonomic rubber-armored body. Nitrogen-purged, waterproof and fogproof.