Rifle scope 4-12x magnification 40mm objective lens (adjustable objective) 1" tube 1/4 MOA (1/4" click value @ 100 yds) Multi-X (duplex) reticle 10 yds to infinity parallax adjustment 29.9 ft to 10 ft field of view @ 100 yds 3.5" eye relief 10mm to 3.3mm exit pupil 16.4 oz. 12.8" long 5.4" mounting length Incl. Butler Creek flip-open lens covers Other features: Mutli-coated optics Fast-focus eyepiece Nitrogen-filled Shockproof Fogproof Waterproof This high-quality Bushnell Trophy XLT scope is rated for airguns and delivers 91% light transmission. That means you'll have a bright image of your target or prey. Fast-focus eyepiece and the fingertip windage and elevation adjustments.