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Physics Lesson | by Roger Smith
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Physics Lesson

This is a test shot using the stroboscopic mode of my new Canon Speedlite 580EX II flash. This is a one second exposure with the flash firing fifteen times at a rate of thirty flashes per second (30Hz) at 1/128th of maximum power.

 

Yes, this does effectively make this a 1/2 second exposure, I screwed up and forget to change the flash count when I changed the flash speed.

 

This has undergone a fair amount of work in Photoshop to remove wrinkles in the black cloth background, etc. I'm happy with it as a first experiment, but I hope to do better in the future.

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Taken on October 4, 2008