... irradiation, optics imaging, precision machinery, electronics and micro-camera technology. It utilizes the characteristic ... of object with shape of board, axle and rod, and furcation, such as welding line, shaft, ... axle and rod, and furcation. The surface and near-surface bugs of some medium and small accessory can ... Field angle: 95 ° 2. Bending angle: up and down, left and right are ≥ 90 °3. CCD chip: ...