ASPHERICAL LENSES ELIMINATE VIRTUALLY ALL DISTORTION; QUICK, SMOOTH CENTRAL FOCUSING ; TRIPOD ADAPTABLE; DIOPTER CONTROL TO REGULATE VISION IMBALANCE ; BAK4 HIGH INDEX PRISMS ; PRECISION ALIGNED SHARP, MULTICOATED OPTICS FOR BRIGHT, CLEAR IMAGES ; FULL-SIZE ARMORED BODY ; 10 X 50MM