This high precision scope with a 30mm maintube is made in Japan and a preferred choice for professional air rifle competition shooters worldwide. USFT and World FT PCP championships were won in 2007 and 2013 with the Diamond Sportsman riflescope. Multicoated lenses and a new optics calculation enhance the light transmission and offer a crisp image for best shooting results. The saddle focus is state of the art today and the Diamond Sportsman features a detachable 100mm side wheel providing the user with precise focus and parallax correction. The target turrets with 1/8 MOA increments feature a return to zero ability. Top competitors worldwide rate this scope over and above most other maker.