Strange water formation in long exposure

Started Jul 22, 2013 | Questions thread
ktownbill Senior Member • Posts: 2,191
Re: Strange water formation in long exposure

Wei Kelun wrote:

Bugs can't explain the whole story, as there are also bubbles or droplets visible in the veil of the waterfall. If there wasn't some kind of strobing going on, these details would be completely smoothed out.

My bet is now on AF-assist pulses from the onboard flash.

I'm convinced that Wei Kelun is correct regarding his theory on the illumination of the water droplet. If somebody has an oscilloscope they can easily measure the frequency of the af-assist strobe. That will put this thread to rest. I'm sure the numbers will match. I don't have my oscilloscope anymore or else I would do it.  Use a photo-transistor to trigger the scope.

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