Sightron SII Big Sky Scopes 4-16x42mm Dot Reticle, Matte Black #SIIB41642D Free Shipping! Sightron’s SII Big Sky line of rifle scopes have been designed and built to meet the demanding needs of both competitive shooters and hunters who shoot long range. These include a one-piece tube, ExacTrack adjustment system, and Zact-7 Climate Control Coatings. Each scope has target knobs and an adjustable objective lens. Eye relief is between 3.7 and 4 inches. Specifications: Magnification: 4-16X Objective Diameter (mm): 42 F.O.V. FT. @100 Yards: 24.0-6.1 Eye Relief (in.): 4.0-3.8 Reticle type: Dot Windage and elevation Knobs: Target Type (Resetable) Adjustable Objective: Yes (10 yards to Infinity) Click Value (M.O.A.): 1/8 Windage/ Elevation (IN.): 80 Weight (OZ.): 16.60 Finish: Matte Black Fully Multi-Coated: Yes (Zact-7TM 7-Layer) Climate Control Coatings: Yes Lens Cover Included: Yes Sunshade Included: No