ALPEN Apex XP riflescopes use fully multi-coated lenses for maximum light transmission and optical clarity. Fast focus eyepieces and generous eye relief are found on all models. This scope includes flip-open covers, cleaning pen and Picatinny rings.Features:WBDC-A reticle, 1st focal plane;30mm tube diameter;1/4 MOA click adjustments;Fully multi-coated glass;Waterproof, fogproof, shockproof