Nikon ProStaff 5 Binoculars
Nikon ProStaff 5 binoculars are lightweight, nitrogen-purged to be waterproof, and have fully multi-coated lenses and BaK-4 prisms for the brightest, distortion-free view. ProStaff 7 binoculars are roof prism designs in 8x42, 10x42, 10x50 and 12x50 models. Close focus is 16.4 feet.