Gravity and Stroboscopic Flash

Hello everybody,

A friend of mine expressed the idea on Thursday, in our photography course when we talked about using
the flash, to stroboscopic flash a falling egg. This idea played in my mind in the weekend  and on Sunday
I reviewed my SB900 flash manual and some items on the net regarding stroboscopic flashing like the blog
of Thomas Pitera :
http://www.thomaspiteraphotography.com/advanced-techniques/stroboscopic-flash-with-speedlights/

After reviewing some technicals, I went to my “studio” in the basement and started some experimenting with
a tennis ball. For my set up I used :