Machine manufacture and installation, special constructional engineering and precision engineering surveying need a very high precision collimator. In the text, we discus a plane focusing visual collimator, which had been specially made for the synchrotron accelerator. Using an electronic spirit level as the reference element, CCD automatic aiming system, photoelectric readout device and computer processing technology, the new visual collimator has a much higher precision and can be used more quickly, more conveniently and more reliably.
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