Pentax UCF X II Series Binocular features:

• Keep your diopter settings locked with a centrally-located diopter adjustment and a central fingertip control dial for fast and easy focusing.
• Protect your binoculars against dust and scratches with a black rubber armoring. 
• Focus on nearby subjects with an extra-short minimum focusing distance of 6.2 feet.
• Enjoy extra viewing comfort with slide-style eyepiece rings and synchronized eyepiece adjustment to assure correct optical alignment.
• See your subjects more clearly with fully multi-coated optics that eliminate harmful ultraviolet rays while improving light transmission for high contrast images with no glare or flare.
• Take your binoculars anywhere with an inverted porro prism design that results in a light weight, compact body. Revolutionary dual-axis, single body housing adds extra durability.
• View your subjects easily in dim light with high-quality BaK4 prisms that transmit more light at the edges to enhance illumination.
• The UCF X II series are protected by a limited lifetime warranty.