Nikon 7580 MONARCH 7 10x30 Binocular (Black) With an apparent Angular field of view of more than 60 degrees, the Monarch 7 30mm binocular makes is easy to find your subject. Compact and easy to carry, the dimensions of the monarch 7 30mm binocular are 4.7 inches long by 4.8 inches wide, making it more portable than EVER before. Dielectric high-reflective Multilayer Prism coatings are applied to all lenses and Prism coatings to provide high-contrast images and accurate color reproduction.