Nikon Monarch X 10.5x45 Binoculars Dielectric High-Reflective Multilayer Prism Coating Extraordinary technology delivers uncompromised low-light performance Fully Multicoated lenses and Phase-Correction Coated Prisms Multiple layers of anti-reflective compounds on every glass surface for bright, vivid sight pictures Enlarged Central Focus Knob, New, larger size provides incredibly quick focus