Equipped with dual long focal aspherical lens, combination with sharpening, filtering and DDE imager processing technology, SZ303 has a unique advantage to monitoring air/ground target. Dual-FOV, it helps SZ303 fast capture target in wide FOV and find precise locate in narrow FOV. With digital detail enhancement (DDE) technology, SZ303 offers unmatched image quality. Well-sealed ability and all-weather construction guarantee it high-performance in any harsh environment. SZ303 is absolutely a best choice for detection long distance air and ground target. It can be mounted on tripod or integrated into other system.