Leupold 10x50mm Military Roof Mil Dot Fully multi-coated lenses and aluminum-enhanced prisms high photopic transmission for a bright image. Phase coated BAK4/BK7 prisms virtually eliminate residual diffraction for additional brightness and remarkable clarity. Mil Dot Reticle can be rotated to compensate for viewing or target angle Long eye relief and twist-up eyecups easy to use with or without glasses. Ergonomic body - well-balanced, it's easy to grip, even with wet hands.