Featuring Multicoated Aspherical Lenses For Clear Edge To Edge Viewing, More Than Ample Exit Pupils For Superior Light Gathering Ability And Bak4 High Index Prisms For Exceptional Brightness And Resolution. Bright, Multicoated Optics, Ergonomic Body Design, Diopter Control For Strain Free Viewing, Rubber Armor For Sure Grip, Quick Central Focusing, Tripod Adaptable.