FX Optics 6-18x44 SFIR Rifle ScopeThe Scope features an objective lens diameter of 44mm. and a Diopter Adjustment Range of -2.0 / +2.0Reticle I: lluminated RedParallax: 10 yds-infinity – wheel adjustedBody Tube Diamater: 30 mmTotal Length: 335 mmTotal Weight: 750 gLens Coating: Fully Multi coated..