This riflescope has main tube diameter 30mm and overall diameter of the objective bell is 24mm.

• 8x Zoom Factor 30mm Tube Tactical Scope w/ True 1x Power for Quick Acquisition

• Fully Multi-Coated Lens, Presenting Edge-to-Edge Image with High Volume Eye Box

• Center Dot Illuminated Etched Glass Reticle Enables Shooting by Day and Twilight

• 1/2 MOA Turret Lock Adjustment Ensure You Won’t Lose Zero by Any Accident

• Magnification: 1-8x
• Objective Lens Dia: 24 mm
• Focal Plane: SFP
• Tube Dia: 30 mm
• Eye Relief: 120-105 mm / 4.7-4.1 in
• Exit Pupil: 15-3 mm
• Lens Coating: Fully Multi-coated
• FOV (ft @ 100 yards): 105-14.7 feet @ 100 yards
• FOV (m @ 100 meters): 35-4.9 m @ 100 meters
• Parallax Setting: 50 Yards
• Reticle: Etched Glass
• Click Value: 1/2 MOA
• Turret Feature: Turret Lock
• Elevation Adjustment Range: 60 MOA
• Windage Adjustment Range: 60 MOA
• Diopter Compensation: (+2 to -2)
• Illumination Setting: 11 Gears
• Battery Type: CR2032
• Shockproof: 750G
• Fogproof: Nitrogen Filled
• Finish: Matte Black
• Material: 6061-T6 Aluminum Alloy
• Length: 272 mm / 10.7 in
• Weight: 531 g / 18.7 oz
• Items in the Package: Power Lever, Lens Cap, Cleaning Cloth etc.