Farris Optics Magnus Rifle Scope 1in Tube Second Focal Plane Black. Utilizing the second focal plane and featuring internal illumination the Magnus maintains reticle size - perfect for dark or dense environments. Shock-proof fog proof and waterproof; the Magnus preserves focal clarity even in the harshest conditions. Adjustable turrets hold 1/4 " Click value for accurate tracking and feature caps for safe transport. The Farris Optics Magnus 5-20x50mm is the ultimate rifle scope for your next outing. Specifications for Farris Optics Magnus 5-20x50mm Rifle Scope 1inch Tube Second Focal Plane: Manufacturer: Farris Optics Objective Lens Diameter: 50 mm Magnification: 5 - 20 x Reticle: Duplex Tube Diameter: 30 mm Reticle Focal Plane: Second Focal Plane (SFP) Field of View Linear: 6.8 - 21.5 ft at 100 yds Eye Relief: 3.1 in Color: Black Weight: 17.6 oz Adjustment Click Value: 0.25 MOA Length: 14.1 in Adjustment Type: MOA Parallax: Fixed Illumination Type: Non-Illuminated Magnification Type: Variable Gun Type: Rifle Package Contents: Farris Optics Magnus 5-20x50mm Rifle Scope Farris Optics 52050M: Magnus Rifle Scope 5-20x50mm 1in Tube Second Focal Plane Black