BSA Optics Sweet Riflesope .22 6-18x40mm 30/30 Duplex Reticle Multi-Grain Turret Black. The objective lens is adjustable for parallax. 1" main tube with quick change. Compensation markings for the bullet weight are shown through these cutouts. The elevation turret has an inner drum that turns when adjusted. The outer portion of the turret is fixed with the window cutouts which will always face the shooter directly when the scope is mounted. The BSA Sweet 22 6-18x40mm Rifle Scope is finished in rubber shadow black. Specifications for BSA Optics Sweet .22 6-18x40mm Rifle Scope 1in Tube First Focal Plane (FFP): Manufacturer: BSA Optics Objective Lens Diameter: 40 mm Magnification: 6 - 18 x Reticle: 30/30 Tube Diameter: 1 in Reticle Focal Plane: First Focal Plane (FFP) Exit Pupil: 2.2 - 6.6 mm Illumination Color: None Finish: Matte Field of View Linear: 4.8 - 16.6 ft at 100 yds 18.8 - 6 ft at 100 yds Eye Relief: 4 in Color: Black Weight: 19.9 oz Adjustment Click Value: 1/4 MOA Length: 13.2 in 15.6 in Adjustment Type: MOA Parallax: 10 yds to infinity Illumination Type: Non-Illuminated Width: 1.85 in Fabric/Material: Aluminum Adjustment Range: 35 MOA Height: 1.85 in Lens Material: Glass Optical Coating: Fully Muticoated Fully-Coated Weather Resistance: Yes Water Resistance Level: Waterproof Shockproof: Yes Fogproof: Yes Package Type: Clam Pack/ Plastic Magnification Type: Variable Condition: New Mount Type: Weaver Attachment Type: Weaver Features of BSA Optics Sweet .22 6-18x40mm Rifle Scope 1in Tube First Focal Plane (FFP): Calibrated for the .22 LR Adjustable Parallax Limited Lifetime Warranty Package Contents: BSA Optics Sweet .22 6-18x40mm Rifle Scope 1in Tube First Focal Plane (FFP) BSA Optics S22-618X40SP: Sweet Riflesope .22 6-18x40mm 30/30 Duplex Reticle Multi-Grain Turret Black