Nikon Monarch M7 8x42 BinocularNikon Monarch M7 8x42 Binoculars add some new features to the Monarch 7 line. The most interesting of these are hydrophobic coatings on the outer lens surfaces and a locking diopter control. The hydrophobic lens coatings repel oil and water so they bead up and roll off the lens, making the binocular easier to use in wet weather and easier to clean. The locking diopter dial prevents the diopter from drifting when it rubs against your clothing or other