Discovery Optical Hunting Rifle Scope VT-2 6-24x44 Sfir Side Focus Red & Green Illuminated Mil Dot Glass-Etched Reticle with Free Anti-dust Lenses Cover The controls are very nice and easy to adjust the windage, elevation and side parallax thru stretch to control the on & off Adjustable reticle illumination with 5 brightness levels in both red and green, allowing for better reticle visibility at night or in low light environments Fully multi-green coated optics ensures even light transmission, resulting in greater image sharpness, brightness, color fidelity and contrast 100 percent water and fog-proof and shock-proof, nitrogen filling inside ensure moisture never penetrates interior and visibility is good Glass-etched mil dot reticle is useful for helping estimate long range shooting and gives you clear field of view to focus on target