Sun Optics USA Hunter Rimfire 4X32 Mntb/Fin Dl Blk Mat 1" One Piece Tube Design. Precision Ground, Fully Multi-Coated Lenses With Wide Band Coating. Duplex Reticle. Fast Focus Ocular. Posi-Clik Brass Finger Dail Windage/Elevation. 3.5"-2.95" Eye Relief. 50 yd. Parallax. Nitrogen Filled. 100% Waterproof, 100% Shockproof, 100% Fogproof. Mag: 4X, Exit Pupil 8MM, Reticle: Duplex, Obj Dia: 32MM, FOV: 28', Eye Relief 3.5", Click: 1/4 MOA Length: 11.8", Weight: 10oz. Limited Lifetime Warranty On Materials And Workmanship Backed By Sun Optics USA.