The equipment mainly uses pre-programmed automatic optical inspection of the SMT furnace front and back surface mount status. It is equipped with multi angle RGB light sources, high-resolution industrial cameras and telecentric lenses, high-definition imaging quality, and high-speed inspection. S3020 2D online automatic optical inspection equipment can inspect defects in SMT circuit boards, such as missing parts, offset, reverse, floating height, side standing, poor solder joints, solder beads, oxidation pollution, foreign objects, scratches, etc.