Photography. Synchronizers, ignition circuits and connectors for cameras and photoflash units. Electrical characteristics and test methods has-digital Certification activities involve the audit

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Photography. Synchronizers, ignition circuits and connectors for cameras and photoflash units. Electrical characteristics and test methods has-digital Certification activities involve the audit1 Scope This International Standard specifies the electrical requirements of the camera synchronizer, the ignition circuit in the photoflash unit and the cable to connect these, and the test methods to secure positive firing of the photoflash unit.