Rifle scope 6-18x magnification 50mm objective lens (adjustable objective) Multi-X (duplex) reticle 1 tube 1/4 MOA (1/4 click value @ 100 yds) 10 yds to infinity parallax adjustment 17" to 6" field of view @ 100 yds 3.5 eye relief 8.3mm to 2.8mm exit pupil 18 oz 16 long Other features: Fully multi-coated optics Nitrogen-filled Waterproof Fogproof Shockproof Fast-focus eyepiece