None of us bother to ask Kevin what he needs it for. For testing his electric system in his car, or what? The problem is that falshes arent powerfull at such high speeds. Perhaps he needs some kind of a strobescope.
Jens Bladt mailto:[EMAIL PROTECTED] http://hjem.get2net.dk/bladt -----Oprindelig meddelelse----- Fra: Frantisek [mailto:[EMAIL PROTECTED] Sendt: 12. december 2004 13:55 Til: Leon Altoff Emne: Re: flash duration >>I need a flash duration of between 1/15,000 and 1/20,000 and I need lots of >>light so simply reducing the power on a small flash wont do it. I wondered >>if there was any way to measure the duration of various flashes. Electric spark photography anyone? I have an article on it (for precisely that and even shorter durations, with all the calculations et cetera) in my old Focal Press photography encyclopaedia. Unfortunately, it's a 20-volume set so it's stuffed right in the cellar and not even under my flat... Try to search for it on the web though. It's the method for creating the usually extremely boring images of bullets speeding trough red apples and similar. Good light! fra
