Ooops ... on my previous message I should have mentioned a different application than the one designed to measure the rupture velocity of overinflated condoms. A more informative article re: streak cameras can be found in these other two articles ---- one dating back to the sunny 60s! http://www.rit.edu/~andpph/text-streak.html and http://www.rit.edu/~andpph/text-basic-streak-pmi.html regards, Andy