Feature A Fully Multi-Coated Lenses and Dual-Prism System Deliver a Brighter, Sharper Sight Picture A 40mm/1.57in Center Height with Optional 10mm/0.39in Riser for a Max 50mm/1.96 in Setup A One-Piece Body with Flip Side Mount for a Sleek, Streamlined Look and Easy Deployment A Rugged 6061 Aluminum Body, Compact 73mm/2.87 in Design, IP56&750G for Reliable Field Use A Compatible with RDSL38, RDSL41, and RDSL42 Red Dot Sights for Seamless Magnifier Pairing Specification Specification Details Magnification: 3x Objective Lens Dia: 20 mm / 0.78 in Parallax setting: 100 yds Eye Relief: 75 mm / 2.95 in Angular Field of View: 7.2 Adeg Field of View @ 100 yd: 37.70 @ 100 yards Field of View @ 100 m: 12.56 @ 100 meters Lens Coating: Fully Multi-Coated Elevation Adjustment Range: 90 MOA Windage Adjustment Range: 90 MOA Mounting Rail: Weaver Waterproof: IP56 Shockproof: 750 G Working Temperature: -25 ~ +60 / 2H Material: 6061-T6 Aluminum Alloy Finish: Matte Black Center Height: 40 mm / 1.57 in Length: 73 mm / 2.87 in Weight (Net): 279 g / 9.8 oz Items in the Package: Riser Section, User Manual, Cleaning Cloth, Hex Key, etc. Size Download VIMF 01 SOM 3x Magnifier User Manual