aspherical lenses for minimal distortion · precision-aligned multi-coated optics for bright, clear images · BaK4 high-index glass prisms for improved brightness and edge sharpness · 10X magnification · 50mm objective lens diameter
· Good Field of View · Rugged 100% Waterproof, Fogproof Construction · Rubber Armor for Sure Grip · Bright, Multicoated Optics · Turn-and-slide Click-stop Rubber Eyecups · Reasonable eye relief for Eyeglass Wearers · BaK4 High Index Prisms · Eco-Gl
· Rugged 100% Waterproof, Fogproof Construction · Rubber Armor for Sure Grip · Bright, Multicoated Optics · Turn-and-slide Click-stop Rubber Eyecups · Long eye relief for Eyeglass Wearers · BaK4 High Index Prisms · co-Glass lenses · includes Case a