The SII 3-12x42 is one of the best all around scopes available. This sight has a fully coated lens , finger windage and elevation knobs and lens cover. - Magnification: 3-12X - Objective Diameter (MM): 42 F.O.V. FT. at100 YARDS: 31.9-9.8 - Eye Relief (IN.): 4.1-3.9 - Reticle Type: Duplex - Windage and Elevation Knobs: Finger Adjustable (Resetable) - Adjustable Objective: No (Parallax 100 Yards) - Click Value (M.O.A.): 1/4 WINDAGE/ ELEVATION (IN.): 70 WEIGHT (OZ.): 13.40 FINISH: Satin Black FULLY MULTI-COATED: Yes (Zact-7TM 7-Layer) CLIMATE CONTROL COATINGS: Yes LENS COVER INCLUDED: Yes