Pentax 10x36 DCF HS Roof Prism Binocular are high performance binocular features a simplified body design and a lightweight, fiberglass reinforced polycarbonate body encased in a full body rubber housing to protect the optics and inner mechanisms from external shock and assure a firm, comfortable hold in Pentax 10 x 36 DCF HS Roof Prism Binocular. The combination of multi-coated optical elements and high-refraction BaK4-glass roof prisms treated with phase coating and a new super-reflection coating ensures a high resolution, high contrast image over the entire image field in Pentax 10x36 Binocular. For more details of this product visit us at http://www.microglobe.co.uk/catalog/product_info.php?pName=pentax-10x36-dcf-hs-high-performance-roof-prism-binocular