ISO 10330:1992 Photography; synchronizers, ignition circuits and connectors for cameras and photoflash units; electrical characteristics and test methods
2002ISO 10330:2002 Photography - Synchronizers, ignition circuits and connectors for cameras and photoflash units - Electrical characteristics and test methods
1992ISO 10330:1992 Photography; synchronizers, ignition circuits and connectors for cameras and photoflash units; electrical characteristics and test methods