Designed by Outdoorsman for Outdoorsman The 3D Series Riflescopes are designed to be extremely rugged and dependable, yet lightweight to carry. The 3D Series Riflescopes advanced optical systems provide crystal clear images with exceptional depth and dimension. They feature fully multicoated lenses that allow maximum light transmission, even in low light conditions. The 3D Series Riflescopes feature one-piece/1-inch aluminum tube construction to reduce weight. All 3D Series Riflescopes provide for a " MOA adjustment and windage/elevation adjustments. Eye relief is a comfortable 4". The 3D Series Riflescopes are all shockproof, waterproof and fog proof, which allow superior performance in all outdoor conditions and terrain.