Eschenbach Sektor F Compact 10x25 BinocularsThe Eschenbach Sektor F Compact 10x25 Binoculars pack superb optical quality in a very small space to give you excellent viewing power wherever you go! The folding design allows for compact storage and portability. The binocular is equipped with fully multi coated lenses and phase corrected BaK 4 prisms for optimizing brightness, contrast and resolution that is hard to find in this price range. The optic is protected by a waterproof, nitrogen purged