Kahles Demo Products Kahles 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). The Swarovski Kahles K18i 1-8x24i Riflescope offers up to 8x zoom with an ultra-wide field of view. It comes with an extra-bright illuminated 3GR reticle with a unique Max Light function and an individually adjustable throw lever. The main tube has a diameter of 30mm which is the standard for hunting scopes. The elevation and windage adjustment works in a clockwise direction and clicks in MRAD, where every 0.1 MRAD adjustment corresponds to a shift of the point of impact of 1 cm/100 m. Second Focal Plane - When the magnification is changed, the reticle remains the same size - although the size of the image changes, the size of the reticle does not. The subtensions change with the magnification. Max Light Function - Extra-bright day/night illumination in the second focal plane with max light function for extreme backlight situations Easy to Use Controls - This K18i riflescope comes with a right-sided windage turret, while the illumination turret is placed on the left side of the tube. Plus, it has a parallax wheel integrated in the elevation turret. Magnification: 1 to 8x Objective lens diameter: 24mm Reticle: 3GR Focal plane: 2 Diopter compensation: +2/-3 dpt Twilight factor (DIN 58388): 2.9 to 13.9 Impact correction per click: 0.1 MRAD Adjustment range (E/W): 86.4/86.4 Parallax adjustment: 100m Illuminated: Yes