Recent content by CodyW

The whistling / high pitch noise when the camera flash is charging up is caused by magnetostriction on the inductor of the flyback converter in the flashes circuitry. I think possibly the LC resonance may play a part as well. :) The pop sound when the flash is fired, I've noticed, gets louder...

Hi everyone, I was wondering if anyone knew what causes the popping sound when an external camera flash is fired? Kind regards Cody

Hi Everyone, For an individual inquiry and formal lab report task at school I have chosen to conduct an experiment to find out whether hot shoe mounted flash units follow the inverse square law and how the flash zoom is affected by the inverse square law. My first question is that In order...