The GPO (German Precision Optics) Centuri 3-18x50i is a versatile riflescope featuring a large 50mm objective lens for low-light performance, 6x zoom, a 30mm main tube, and a third-turret parallax adjustment for long-range shooting.It includes Double HD glass for clarity, an illuminated MOA ballistic reticle, and 1/4 MOA zero-stop locking turrets for precision. The scope is designed for hunters and marksmen who need a high-magnification, high-performance optic with a streamlined profile. 1/4" MOA click turretsSFP MOAi illuminated ballistic reticleMicro-Dot I-Control illuminationZero Stop Lock Ballistic reset turretsTurret rotation indicatorGPObright lens coating technologyPASSIONdrop hydrophobic lens coatingsDOUBLE HD objective lens technologyMagnification throw leverIncluded :See through bikini scope cover - objective and ocularInstruction manualMicrofiber cleaning clothCR2032 batteryZERO-STOP turret adjustment tool