The groundbreaking K540i sets new performance standards with a pioneering new-generation optical design. It offers a 40 % wider field of view, an exceptionally comfortable eyebox and 8 x zoom with perfect optical performance across the entire adjustment range.Features:Revolutionary optical design with a 40 % wider field of view*Perfect optical performance with 8x zoom over the entire adjustment rangeExceptionally comfortable eyebox even at 40X magnificationWindage adjustment available left or right, patented parallax adjustment integrated in the elevation turret100 clicks per rotation - absolutely reliable repeat accuracy and clearly defined clicksExtra-large turret lettering for easy and fast readingPrecise illuminated reticle in 1st focal planeKahles Demo ProductsKahles demo products have been slightly used for display or demonstrations by Kahles during outdoor industry events. They may exhibit minor cosmetic imperfections that will vary from demo product to product. Kahles demo products and their included accessories are guaranteed by Kahles to operate to the standards for a new product. In rare cases, one or more accessories may be missing. All Kahles demo products are covered by the Kahles Limited Lifetime Warranty (View Warranty).