NightStar 4-12x40mm 30mm Tube Rifle Scope Second Focal Plane MRAD Black. Because it can use direct thread to adjust focus have more stable movement and more precise focus range mark also have better shockproof and waterproof. Specifications for NightStar 4-12x40mm 30mm Tube Rifle Scope Second Focal Plane: Manufacturer: NightStar Objective Lens Diameter: 40 mm Magnification: 4 - 12 x Reticle: MRAD Tube Diameter: 30 mm Reticle Focal Plane: Second Focal Plane (SFP) Finish: Black Matte Field of View Linear: 3.5 - 9.3 m at 100 m Eye Relief: 2.68 - 3.23 in Color: Black Weight: 21.3 oz Adjustment Click Value: 1/4 MOA Adjustment Type: MOA Water Resistance Level: IPX-7 Shockproof: Yes Fogproof: Yes W/E Travel at 100 Yds: 50 in at 100 yds Features of NightStar 4-12x40mm 30mm Tube Rifle Scope Second Focal Plane 4-12x40WZ Rear Focus Scope are featured with balanced ergonomics precise focus this patented rear focus design make the shooter easy watch and easy handle the focus and power minimize unecessary movement and maintain stability Tag Rear Focus Precise Focus Rang Direct Thread Adjustment Fully Multicoated Lens Package Contents: NightStar 4-12x40mm 30mm Tube Rifle Scope Second Focal Plane NightStar NS11151: 4-12x40mm 30mm Tube Rifle Scope Second Focal Plane MRAD Black