Nikko Stirling Diamond 30mm Tube Rifle Scope Illuminated Half Mil-Dot Reticle w/Sunshade Matte Black. Specifications for Nikko Stirling Diamond 10-40x56mm 30mm Tube Rifle Scope: Manufacturer: Nikko Stirling Objective Lens Diameter: 56 mm Magnification: 10 - 40 x Reticle: Illuminated Half Mil-Dot Tube Diameter: 30 mm Finish: Matte Eye Relief: 4.5 in Color: Black Weight: 31 oz Adjustment Click Value: 0.25 MOA Length: 14.2 in Adjustment Type: MOA Parallax: Parallax Free Illumination Type: LED Fabric/Material: Aircraft Aluminum Lens Material: Glass Optical Coating: Multi-Coated Weather Resistance: Yes Water Resistance Level: Waterproof Shockproof: Yes Fogproof: Yes Magnification Type: Variable Condition: New Features of Nikko Stirling Diamond 10-40x56mm 30mm Tube Rifle Scope 30mm aircraft-grade aluminium one-piece main tube High end glass etched reticle skeleton HMD (Half Mil Dot) Fully multi-coated lens Microlux ETE GEN III glass coatings 1/8 MOA turret adjustments 4'' of eye relief Side Parallax Adjustable from 15 Yards to ? Nikko Stirlings RTZ (Return to Zero) Supplied with 2 ballistic drop turrets Elevation turret for quick shooting Optional side-wheel available Sunshade included Dual-color red/green illumination settings Package Contents: Nikko Stirling Diamond 10-40x56mm 30mm Tube Rifle Scope Lens Cover Lens Cloth Manual Nikko Stirling NDSI104056LRHMD: Diamond 10-40x56mm 30mm Tube Rifle Scope Illuminated Half Mil-Dot Reticle w/Sunshade Matte Black