7583 20×56 MONARCH 5 Featuring ED (Extra-Low Dispersion) Glass Turn-and-slide rubber eyecups Fully Multicoated Eco-Glass lenses Dielectric High-Reflective Multilayer Prism Coatings Tripod Adaptable (adaptor included with 16x and 20x models) Waterproof and Fogproof Downloads Last UpdatedSeptember 20, 2019