... micrometer adjust, accuracy within ± 0.01MM17Net weight130kg1, The top heater can move freely along the X, Y axis ... -definition CCD color optical vision system, splitting, amplification, micro-adjust and auto-focus; With automatic color resolution and brightness adjustment ... process. hot sale, high precision, high autoZM-R6821 good for large PCB board(laptop, mother board, xbox), bga repair system