Nikko Stirling Diamond m 30mm Tube Rifle Scope Second Focal Plane Illuminated German #4 Dot Reticle Matte Black. 5-10x50mm Rifle Scope 30mm Tube Second Focal Plane: Manufacturer: Nikko Stirling Objective Lens Diameter: 50 mm Magnification: 2.5 - 10 x Reticle: Illuminated #4 DOT Tube Diameter: 30 mm Reticle Focal Plane: Second Focal Plane (SFP) Exit Pupil: 5 - 20 mm Illumination Color: Red Green Finish: Matte Field of View Linear: 9.8 - 39.4 ft at 100 yds Eye Relief: 4.5 in Color: Black Weight: 19 oz Adjustment Click Value: 1/4 MOA Length: 13 in Adjustment Type: MOA Parallax: Parallax Free Illumination Type: LED Battery Type: CR2032 Fabric/Material: Aircraft Aluminum Lens Material: Glass Optical Coating: Multi-Coated Weather Resistance: Yes Water Resistance Level: Waterproof Shockproof: Yes Fogproof: Yes Battery Quantity: 1 Magnification Type: Variable Gun Type: Rifle Features of NNikko Stirling Diamond 2.5-10x50mm Rifle Scope 30mm Tube Second Focal Plane CNC machined parts made to tightest tolerances Aircraft approved aluminium High Grade Optical lens coatings for maximum light transmission Low profile adjustments Fast finger adjustable dials Rubber enhanced zoom ring Speed focused eyepiece Package Contents: Nikko Stirling Diamond 2.5-10x50mm Rifle Scope 30mm Tube Second Focal Plane Lens Cover Lens Cloth Manual Nikko Stirling NDSI251050: Diamond 2.5-10x50mm 30mm Tube Rifle Scope Second Focal Plane Illuminated German #4 Dot Reticle Matte Black