The NEOS HMR MOAATHLON 4-12x40 rifle scope features an advanced BDC500 MOA illuminated reticle for precision shooting in various lighting conditions. Built with a 1-inch tube diameter and 40mm objective lens for optimal light gathering and durability.NEOS HMR MOAATHLON 4-12x40 Rifle ScopeBDC500 MOA illuminated reticle for tactical applications4-12x variable magnification range40mm objective lens diameter1-inch tube diameter constructionBlack matte finish for reduced glare12.10 inches length 18.10 ounces weightField of view: 27.5-7.86 feet at 100 yardsDesigned for tactical and hunting applications where precision and versatility are essential. The illuminated reticle system enhances target acquisition in low-light conditions while the variable magnification provides flexibility for both close and long-range engagements.