Extra-Low Dispersion Glass for Optimum Clarity; Dielectric Coatings Designed to Increase Light Reflectivity; Fully Multi-Coated Optics to Produce Sharp Images; Close Focus from 16.4ft / 5m; BAK-4 Porro Prisms for Intense Colour and Contrast; Dual Focus Knob to Achieve Ultra Fine Focusing; Body Rotation for Viewing in Virtually Any Position; Stay-On Soft Scope Cover for Maximum Protection; Twist-Up Eye Cup and Pull Out Sunshade; Digi-Scope Compatible for Use with Your Camera