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 situationsEasy 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 8xObjective lens diameter: 24mmReticle: 3GRFocal plane: 2Diopter compensation: +2/-3 dptTwilight factor (DIN 58388): 2.9 to 13.9Impact correction per click: 0.1 MRADAdjustment range (E/W): 86.4/86.4Parallax adjustment: 100mIlluminated: Yes