Nikon 7582 Monarch 5 16 X 56 mm Binocular (Black)br All MONARCH 5 binoculars are now built with Nikons legendary ED Extra-low Dispersion glass lenses which correct chromatic aberrations across the furthest limits of the visible light range and effectively compensate for color fringing br Dielectric High-Reflective Multilayer Prism Coatings are applied to all lenses and prism coatings to provide high-contrast images and accurate color reproduction br Massive 56mm objective lenses provide superior light gathering ability for overcoming less than ideal lighting conditions