The EOTech Vudu 3.5-18x50mm is a precision First Focal Plane (FFP) rifle scope featuring an illuminated MD2 MOA reticle and robust 34mm tube construction with black anodized finish.EOTech Vudu VDU318FFMD2 FFP Rifle Scope3.5-18x magnification with 50mm objective lens34mm tube diameter for enhanced light transmissionIlluminated MD2 MOA reticle for precise targetingSide parallax adjustment for optimal clarityField of view: 29.50 - 5.70 ft @ 100 yardsEye relief: 3.54" - 3.97"Weight: 33.60 oz Length: 14.84"Fog shock and water resistant constructionIncludes throw lever for quick magnification changesDesigned for tactical applications and precision shooting this scope delivers exceptional optical performance and durability for professional marksmen and serious shooters.