Pentax ZD 10x50 WP BinocularsThe Pentax ZD 10x50 WP binoculars feature high end optical elements including fully multi coated optics with anti glare properties, and phase corrected BaK 4 prisms which produces bright, clear images with high contrast and accurate color rendition. The larger 50mm lens also draws copious amounts of light to extend the usability in low light conditions for use in dusk til dawn. Complimenting the ZD 10x50 WP binoculars is a rugged housing designed for