Like other scopes in the SII Big Sky line, the varmint/target scopes incorporate all of the outstanding features of this line. This includes one-piece scope tubes, precision ground and multi-coated lenses, ExacTrack adjustment system, and shock, fog, and waterproof design. The new scope line has a constant long eye-relief that makes them easy to use when changing power on a variable power scope. 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: 6-24X Objective Diameter (mm): 42 F.O.V. FT. at100 Yards: 15.7-4.4 Eye Relief (in.): 4.0-3.7 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.): 55 Weight (OZ.): 17.60 Finish: Saitn Black Fully Multi-Coated: Yes (Zact-7TM 7-Layer) Climate Control Coatings: Yes Lens Cover Included: Yes Sunshade Included: No