You know Murray, It occurred to me that a muzzle flash is probably bright enough to trigger a slave.
Gene ----- Original Message ----- From: <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, January 29, 2003 6:11 PM Subject: [Cameramakers] bullet photog, mega-lens > Hello: > > Look up "Engineering and Scientific High-speed Photography" by William G > Hyzer. Many techniques and theory. > > For example: > .22 Cal. high-velocity bullet 2600 ft/sec, picture freq, 1.4 x 10^4 frames > per sec., time magnification 860. > > Mind boggling book...most of the technology in there from 1950's is beyond > hobbyist, but it's worth reading for the theory and ideas. > > I just looked it up on a book exchange and was surprised at the range of > prices. > > Never give up is my second topic - I contacted a second buyer of one of > those monochromatic 40 pound lenses - and he has lens software and can grind > lenses up to 12" diameter. All I was armed with were ideas. He's had his > apart already - it has 4 cemented pairs that are air-spaced. We're scheming > about some sort of change. He claims it has no internal reflection, but I > suspect one needs to look under the right conditions and not just eye-ball > for reflections...no Bokeh? > > Murray > > Murray > > _______________________________________________ > Cameramakers mailing list > [EMAIL PROTECTED] > http://rmp.opusis.com/mailman/listinfo/cameramakers > _______________________________________________ Cameramakers mailing list [EMAIL PROTECTED] http://rmp.opusis.com/mailman/listinfo/cameramakers
