Macro the 1/f rule and flash duration

Started Sep 8, 2008 | Discussions thread
JimH Forum Pro • Posts: 12,911
Here's the thread I was thinking of:

Back a while, we were discussing this in the MP-E thread. I remembered that I'd posted the pulse widths at that time.

This is the post where I was considering how best to characterize the pulse widths given their odd shapes. And that post has the figures I came up with based on both the FWHM method and my own "above 10% rule" that I figured might be useful for us because we're interested in eliminating camera shake.

This is the post where I showed the results of the tests I did with the home-brew optical pulse generator which show that the measurement rig is plenty fast for our purposes here.
Jim H.

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