The CENTER-X MOAATHLON NEOS HMR 4-12X40 rifle scope delivers reliable optical performance with 4-12X variable magnification and a 40mm objective lens for versatile shooting applications.CENTER-X MOAATHLON NEOS HMR 4-12X40 Rifle ScopeVariable 4-12X magnification range40mm objective lens diameter1" tube diameter constructionCenter-X MOA reticle systemBlack matte finish12.10" overall length 18.10 oz weightField of view: 27.5-7.86 feet at 100 yardsDesigned for hunting and tactical shooting this scope offers dependable performance with its durable construction and precision MOA reticle system for accurate shot placement.