Alpen PRO compact binoculars feature multi-coated BaK4 optics which deliver bright clear images at very affordable pricing. These compact binoculars are great when you need a lightweight and compact yet clear durable binocular to bring objects up close. This 10x25 model has long eye relief and weighs only 11 ounces. They are great for hiking, hunting, going to concerts or whenever a lightweight compact binocular with great optics is needed. Backed by Alpen's lifetime warranty against defects in materials and workmanship.