A lightweight roof prism binocular with a ninefold magnification. Featuring a roof prism. Twilight number of 13.75. Magnification: 9×, minimum focusing distance: 3 m. Bright and clear view thanks to the fully multi-coated optics. Elegant two-tone design. A large, easy-to-operate focus ring. Multi-coated lenses prevent strong reflections and ensure a bright, clear view of the subject while minimizing stray light and ghost images. In the UD 9x21, all reflective surfaces of the optical elements are multi-coated with "Full Multi Coating" to ensure an exceptionally bright view of the subject. The UD series impresses with an especially compact housing that is no larger than a palm and weighs only about 195 grams. With the design developed exclusively for the UD series, the binocular can be held effortlessly in the hand and taken along on any occasion, for example for nature observation while traveling and hiking or at sporting events, concerts, and theater performances. Roof prism binocular. Bring distant objects up close. Whether traveling, at a sporting event, outdoors in nature, or at sea - this binocular is ideal for your active lifestyle. The use of roof prisms in the construction of this binocular allows for a handy design and optimal protection of the mechanics, as there are no moving parts on the outside.