Nikon Monarch M7 10x30 BinocularNikon Monarch M7 10x30 Binoculars sport hydrophobic coated and fully multi coated ED lenses and phase and dielectric coated prisms to give bright, clear images with very natural colors. New features include a locking diopter and a shorter close focus. The M7 10x30 weighs only 16. 6 ounces even with its shock resistant rubber armoring. They are waterproof to 3. 3' for 10 minutes and nitrogen purged to be fog free.