The BSA Majestic™ Scopes have a simple clean design with one piece aluminum tubing that is covered with a non-reflective black matte finish. The scopes are waterproof fogproof and shockproof. - FEATURES - Waterproof fog proof and shockproof. - Integrated Twist Cap - Fast Focus - Limited Lifetime Warranty. - Magnification: 3-9 - Obj. Lens Diameter (mm): 40 - Exit Pupil Range (mm): 13-4.4 - Field of View @100 Yds: 31.9-10.9 - Optimum Eye Relief (in): 4 - Parallax Setting: 100yds - Click Adjustment Value: 1/4 - Adjustment Range: 40-40 - Weight (ounces): 16.95