Fully multi-coated optics. Two extra lenses improve resolution, color correction, minimize aberration. Blackened reticle assembly. Black anodized internal tube with crinkle finish minimizes unwanted reflection. Four-fold power change range. Tube & saddle carved from same piece of aircraft grade aluminum. 1/4'' or finer audible & finger-adjustable clicks. Reticle attached with screws, metal ring & sealant. Features RainGuard™, a special water repellent coating which causes condensation to form in much smaller droplets when scope is exposed to rain, fog or snow. Water sheets off the coated lenses.