UTGs 3X Magnifier with Quick-Detach Mount gets you a lightning-fast, crystal-clear and up-close view of your target. Ingenious and rugged flip-to-side mechanism delivers split-second transitions between 1X and 3X magnifications. Adjustable eyepiece boasts a 30% larger wide field of view and easy dioptric corrections. Broadband multicoated lenses provide high-end clarity. Patented quick-detach lever-lock Picatinny-mounting base makes on/off simple. Precision machined and anodized for strength and durability. Completely nitrogen filled and sealed for weather- and fogproof performance. Windage/elevation adjustability. 42mm center height. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Size: 3X. Type: Magnifiers.