Collimator can image at infinity,generate parallel beams of light,and are commonly used in optical in-strument metrology.This article provides a detailed introduction to the specialized collimator in surveying and map-ping instruments,including its principle,technical specifications,application and precautions in metrological cali-bration,etc.It can provide reference for relevant personnel.
关键词
平行光管/测绘仪器/计量检定
Key words
collimator/surveying and mapping instruments/metrological verification
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