Nikon Monarch M7 8x30 BinocularNikon Monarch M7 8x30 Binoculars replace Nikon's Monarch 7 8x30s. Added features include a locking diopter control, hydrophobic coatings on the external lens surfaces, and a shorter close focus (6. 6'). Optically, dielectric and phase correction prism coatings and fully multi coated ED glass lenses deliver a sharp, bright image. The M7 8x30 weighs only 16. 4 ounces even with its shock resistant rubber armoring. They are waterproof to 3. 3' for 10