YCM-1050MS high-definition telescope adopts all-optical glass lens, with bak4 Paul prism, comprehensive and precise multi-layer coating, so as to achieve better high-definition optical effect. It can better observe details at high magnification, and the imaging is clear and real. The focusing method is convenient left-right sub adjustment. The lens body has a built-in dividing plate. The high-definition telescope can be used to roughly measure the direction angle, high-low angle and distance of the target. The nitrogen filling in the mirror is professional, waterproof and fog proof, and has high sealing performance, This high-definition telescope can be used in 1.5 meters of deep water for 30 minutes. It can adapt to harsh weather conditions. It has excellent performance of wide field of vision, large exit pupil diameter and long exit pupil distance. It is shock-absorbing and anti-skid design. It can adapt to the field environment and is a good helper for field travel.