SWAROVSKI OPTIK Kahles K318i 3.5 to 18x50i Riflescope with MOAK MOA ReticleThe Swarovski Kahles K318i 3. 5 18x50i Riflescope means optical and mechanical perfection packed into an ultrashort design. It features a precise, illuminated MOAK MOA based reticle in the first focal plane. The scope is capable of producing sharply defined images throughout its magnification range of 3. 5 to 18x. The main tube has a diameter of 34mm, which is standard for tactical scopes. The elevation and windage adjustment works in a counter