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There has been presented a brief description of test equipment and instrumentation for recording spatial-time parameters of a lightning at the International Center for Lightning Research & Testing (ICLRT) in Camp Blanding that belongs to the University of Florida as well as the first results of Russian image converter cameras test when recording a trigger lightning.

The results of K004M camera tests when recording a trigger lightning are presented in paper [1] at this Congress. This report is a continuation of paper [1] and gives the results of demonstration of the camera functioning when recording a short spark in laboratory of the University of Florida (Gainesville, USA) and then a natural lightning in the University and at the International Center for Lightning Research & Testing (ICLRT) in Camp Blanding that belongs to this University. In so doing it has been shown that, except for luck, important conditions of successful record of a natural lightning are exact synchronization of the moment of camera start with a required discharge stage as well as automatic measurement of a distance to lightning and determination of its polarity.