Zeiss Carl Optical Inc Diavari Riflescope with 34mm rings with Illum Reticle 43 ASV Shooting Turrets (6-24x72 T FL LT 34mm) Versatile riflescope with 6 to 24x magnification and 72mm objective lens FL Concept optics with fluoride glass help maximize performance in low-light conditions LotuTec lens coating efficiently repels water for better use during downpours Illuminated Reticle 43 reticle with shooting turrets; 3.54 inches of eye relief Waterproof, fogproof, and shockproof housing; measures 14.89 inches long