We designed the Cronus with Apochromatic system to give you images that have greater contrast, sharpness, and color definition. We included Extra-Low Dispersion Glass that results in a clearer and sharper image. Our state of the art ESP (Enhance Spectral Prism) dielectric coating reflects 99% of the light through the prism assembly. Other design enhancements include BaK-4 prisms and our Advanced Fully Multi-coated lenses that deliver flawless color fidelity, ultra-crisp images, and optimum light transmission.Finally we topped it off with our XPL lens coating that protects the exterior lenses from scratches, dust, and anything else mother nature throws at you. Athlon Optics Cronus 12-36×50 UHD Spotting Scope Specifications. If the wrong contact details are provided any losses incurred as a result will be the buyers responsibility. INTERNATIONAL BUYERS - PLEASE NOTE. This item is in the category "Sporting Goods\Hunting\Scopes, Optics & Lasers\Spotting Scopes". The seller is "sports-and-gadgets" and is located in this country: US. This item can be shipped to United States.