The Contender's clean design and thoughtful innovations make it a tremendous buy for the experienced shooter. The combination of its many shooting features alone, make it a best seller, not counting its appearance and the sharpness of its lenses. - - Features: - - Waterproof, fog proof and shockproof - Sunshade included - Metal dust covers - Limited Lifetime Warranty - - Specifications: - - Magnification: 6-24 - Obj. Lens Diameter (mm): 40 - Exit Pupil Range (mm): 6.3-1.5 - Field of View @100 Yds: 16.7-4.2 - Optimum Eye Relief (in): 4 - Parallax Setting: 10 to Inf - Click Adjustment Value: 1/8 - Adjustment Range: 35-35 - Weight (ounces): 17.37