Rubber Cover 3x Magnifier

Crystal Sharp Clear, Fit Various Red Dot Scopes W/ 30mm Flip Side QD Mount Ring Diopter Compensation, w/ Great Gift Package Magnification: 3x Objective Lens Dia: 26mm Exit Pupil: 7.0mm Length: 108mm (4.2 inch) Height: 36mm (1.4 inch, from the base to the ring center) Weight (net):325g (11.65ounce, with mount) Eye Relief: 60mm (2.4 Inch) Field of View (ft@100yds):49 feet Optics Coating: Fully multi coated Shock proof that is designed for real fire caliber Can be adjust High-durability aircraft grade 6061 T6 aluminum alloy in black matte body covered with rubber With SCTM-17 30mm flip to side QD mount ring Fast focus eyepiece at ocular lens adjustment Free fitting involved: 30mm twist weaver mount, lens cap, cleaning cloth and hex keys etc