DOCTER Optic Aspectum 80mm ED binoculars are high performance twin telescopes ideal for hunting, forestry, expeditions, sports, mountain tours, hiking, wildlife observations, ornithology, and nay time far away objects need to be viewed for long periods of time. This model has ED glass in the objective lens. Noblex | Docter Optics 20-50x80 ED Variable Binoculars DBA205080ED