Pentax 16 x 25 UCF-X II, Weather Resistant Porro Prism Binocular with 3.1 Degree Angle of View, Limited Lifetime USA Warranty.

The UCF X II-series models feature the PENTAX-original dual-axis eye-distance adjustment system to ensure precise alignment of the lens barrels. Coupled with large 25mm objective lenses, high-refraction BaK4 glass prisms, multi-coated optical elements and aspherical eyepiece lens elements, they deliver high-quality images even under poor viewing conditions. The compact, lightweight binocular bodies are protected against dust and shock by a full-bodyrubber housing. Other user-friendly features include a long 15-millimeter eye relief, a short minimum focusing distance of 1.9 meters/6.2 feet, extendible eyepiece rings, a fully retractable pop-up diopter adjuster, and a tripod socket.

Legendary PENTAX sport optics feature PENTABRITE technology with precision ground lenses that feature Super-Multi-Layer coating on every surface throughoutthe optical system to help BRIGHTEN YOUR ADVENTURES in the great outdoors