Extra low dispersion xd lenses multitreated as in the previous series bd xd ii also houses low dispersion lenses inside it for flawless image quality in terms of contrast, sharpness and colour purity. Forget that annoying bluish and yellowish halo around the edges of objects, forget false colour tones and unsharp images with few details, with the Bd xd ii series you will have the best of optical quality at an affordable and competitive price. The xd kowa lenses are not simple lenses and like those present in other brand tools. Each kowa xd lens contains in its chemical composition a large amount of mineral fluorite crystals, the best material available to date in the world of optics for correcting chromatic aberration and increasing optical qualities in terms of contrast and sharpness. Eyepieces and lenses are covered by the "kowa repelling" (kr); kr technology intervenes avoiding grease, fluids and dirt accumulation. on the surface of each treated lens, making cleaning so much easier and immediate. The ultra-low dispersion kowa xd lenses guarantee exceptional performance, while the multilayer c3 treatment applied to prisms allows greater reflectivity throughout the visible spectrum (400-700nm) compared to other treatments available on the market. The results are bright, crisp images with an extremely high colour rendering. This is a new technology to increase the reflectivity of the prism. By reducing the amount of lost light, you get a brighter and defined field of view. All optical components are made from Japan with high quality elements and all surfaces are fully multi-processed. These treatments ensure that light transmission, colour definition, brightness and contrast are always at its best. Binoculars produce images with exceptional clarity. Magnesium hull and nitrogen filling binoculars kowa bd xd ii is built to ensure strength and durability over time and in all conditions and environments. The choice to use aluminium alloy for hull construction stems from the need to provide high levels of rigidity and protection without sacrificing lightness and portability. The rubberized coating also allows a secure and secure grip in addition to further protection of the binoculars. By grabbing a kowa bd xd ii binoculars you will have the feeling of having a superior product in your hand. Thanks to the filling of nitrogen gas the binoculars can also be used in humid and rainy environments: the filling of gas prevents the fogging of lenses and prisms as well as guaranteeing together with the hull and the coating the name of "fully waterproof". Focus is knurled and free of obvious games, so focusing on the image is simple and immediate. The eyepiece covers allow for practical and convenient use even for wearers of glasses and in conditions of side light. The wide-angle feature that makes the bd xd ii series the new kowa battle horse in the mid-level world is to be seen in the field of view of the binoculars. Greater field of view means more immersion in observation, greater awareness of use in relation to the observed environment and easier location of the subject to be framed. All of course without sacrificing sharpness and optical quality even on the field. Using the kowa bd xd ii binoculars you will have the feeling of having very distant subjects at a few meters away but still maintaining the broad field feeling typical of naked eye vision.